Just to get some flavour, the following jingles are among those possible to register @ ent.me:

• abandonment me
• abasement me
• abashment me
• abatement me
• abducent me
• abetment me
• abhorrent me
• abluent me
• abolishment me
• abortifacient me
• abridgement me
• abridgment me
• absent me
• absorbent me
• abstinent me
• abutment me
• acaulescent me
• accent me
• accident me
• accompaniment me
• accomplishment me
• accouchement me
• accouterment me
• accoutrement me
• accruement me
• acescent me
• achievement me
• acidulent me
• acknowledgement me
• acknowledgment me
• acquiescent me
• acquirement me
• adducent me
• adherent me
• adjacent me
• adjournment me
• adjustment me
• admeasurement me
• admonishment me
• adolescent me
• adornment me
• adsorbent me
• advancement me
• advent me
• advertent me
• advertisement me
• advertizement me
• advisement me
• afferent me
• affixment me
• affluent me
• agent me
• aggrandizement me
• aggrievement me
• agreement me
• ailment me
• alightment me
• alignment me
• aliment me
• alinement me
• allotment me
• allurement me
• amassment me
• amazement me
• ambient me
• ambivalent me
• ambushment me
• amendment me
• ament me
• amercement me
• amusement me
• ancient me
• anent me
• announcement me
• annulment me
• anointment me
• antecedent me
• antidevelopment me
• antiestablishment me
• antigovernment me
• antimanagement me
• antistudent me
• antiunemployment me
• apartment me
• aperient me
• apparent me
• appeasement me
• appetent me
• appointment me
• apportionment me
• appraisement me
• arbitrament me
• arborescent me
• arctangent me
• ardent me
• argent me
• argument me
• armament me
• arpent me
• arraignment me
• arrangement me
• arrestment me
• arrondissement me
• ascendent me
• ascent me
• ascertainment me
• assent me
• assessment me
• assignment me
• assoilment me
• assortment me
• assuagement me
• assurgent me
• astonishment me
• astringent me
• atonement me
• attachment me
• attainment me
• attent me
• attornment me
• attunement me
• audient me
• augment me
• averment me
• avirulent me
• avouchment me
• babblement me
• bafflement me
• bailment me
• bamboozlement me
• banishment me
• basement me
• battement me
• battlement me
• bedazzlement me
• bedevilment me
• bedizenment me
• befuddlement me
• beguilement me
• beleaguerment me
• belittlement me
• belligerent me
• bemusement me
• beneficent me
• benevolent me
• bent me
• bereavement me
• besetment me
• besprent me
• betterment me
• bewilderment me
• bewitchment me
• bicomponent me
• bioluminescent me
• birefringent me
• bivalent me
• blandishment me
• blastment me
• blent me
• bodement me
• bombardment me
• bouleversement me
• brent me
• cadent me
• cajolement me
• candent me
• candescent me
• canescent me
• cantonment me
• casement me
• catchment me
• cement me
• cent me
• cerement me
• chastisement me
• chemiluminescent me
• cholent me
• circumambient me
• circumfluent me
• circumjacent me
• circumvent me
• clairaudient me
• clement me
• client me
• coagent me
• coalescent me
• cobelligerent me
• codependent me
• coefficient me
• coexistent me
• cogent me
• coherent me
• coincident me
• coinvent me
• comanagement me
• commandment me
• commencement me
• comment me
• commitment me
• compartment me
• competent me
• complacent me
• complement me
• compliment me
• component me
• comportment me
• concealment me
• concent me
• concernment me
• concrescent me
• concupiscent me
• concurrent me
• condiment me
• conferment me
• confident me
• confinement me
• confluent me
• congealment me
• congruent me
• connivent me
• consent me
• consequent me
• consignment me
• consistent me
• constituent me
• constringent me
• containment me
• content me
• contentment me
• continent me
• contingent me
• controlment me
• convalescent me
• convenient me
• convent me
• convergent me
• coparent me
• copayment me
• copresent me
• copresident me
• corecipient me
• coresident me
• corespondent me
• corpulent me
• correspondent me
• cotangent me
• counteragent me
• counterargument me
• countercurrent me
• counterdeployment me
• countergovernment me
• counterinsurgent me
• countermovement me
• counterstatement me
• couplement me
• covalent me
• credent me
• crescent me
• crosscurrent me
• curettement me
• current me
• curtailment me
• debarment me
• debasement me
• debatement me
• debouchment me
• debridement me
• decadent me
• decampment me
• decedent me
• decent me
• decipherment me
• decrement me
• decrescent me
• decumbent me
• decurrent me
• defacement me
• deferent me
• deferment me
• deficient me
• defilement me
• definement me
• deforcement me
• dehiscent me
• delinquent me
• deliquescent me
• dement me
• demolishment me
• demulcent me
• denotement me
• denouement me
• denouncement me
• dent me
• denudement me
• department me
• dependent me
• deployment me
• deponent me
• deportment me
• depravement me
• derailment me
• derangement me
• descendent me
• descent me
• designment me
• desinent me
• despisement me
• despoilment me
• despondent me
• detachment me
• detainment me
• detent me
• detergent me
• determent me
• deterrent me
• dethronement me
• detrainment me
• detriment me
• detumescent me
• development me
• devilment me
• devotement me
• different me
• diffident me
• diligent me
• diluent me
• diminishment me
• diriment me
• disablement me
• disagreement me
• disappointment me
• disarmament me
• disarrangement me
• disbandment me
• disbarment me
• disburdenment me
• disbursement me
• discernment me
• disconcertment me
• discontent me
• discontentment me
• discouragement me
• disembowelment me
• disenchantment me
• disendowment me
• disenfranchisement me
• disengagement me
• disentanglement me
• disestablishment me
• disfigurement me
• disfranchisement me
• disfurnishment me
• disgruntlement me
• disguisement me
• disheartenment me
• disillusionment me
• disinterment me
• disinvestment me
• dislodgement me
• dislodgment me
• dismantlement me
• dismemberment me
• disobedient me
• disorient me
• disownment me
• disparagement me
• displacement me
• disportment me
• dissent me
• dissentient me
• dissepiment me
• disseverment me
• dissident me
• dissolvent me
• distent me
• divalent me
• divergent me
• divertissement me
• divestment me
• divorcement me
• docent me
• document me
• dormient me
• easement me
• ebullient me
• eclaircissement me
• edutainment me
• effacement me
• efferent me
• effervescent me
• efficient me
• efflorescent me
• effluent me
• effulgent me
• ejectment me
• electroluminescent me
• element me
• elopement me
• eloquent me
• eluent me
• embalmment me
• embankment me
• embarkment me
• embarrassment me
• embattlement me
• embayment me
• embedment me
• embellishment me
• embezzlement me
• embitterment me
• emblazonment me
• embodiment me
• embossment me
• embourgeoisement me
• embracement me
• embranglement me
• embrittlement me
• embroilment me
• emergent me
• eminent me
• emollient me
• emolument me
• emplacement me
• employment me
• empoisonment me
• empowerment me
• empressement me
• enactment me
• encampment me
• encasement me
• encashment me
• enchainment me
• enchantment me
• encipherment me
• encirclement me
• encompassment me
• encouragement me
• encroachment me
• encystment me
• endangerment me
• endearment me
• endorsement me
• endowment me
• enfeeblement me
• enfeoffment me
• enforcement me
• enframement me
• enfranchisement me
• engagement me
• engorgement me
• engraftment me
• engrossment me
• engulfment me
• enhancement me
• enjambement me
• enjambment me
• enjoyment me
• enlacement me
• enlargement me
• enlightenment me
• enlistment me
• enmeshment me
• ennoblement me
• enrichment me
• enrollment me
• enrolment me
• enserfment me
• enshrinement me
• enslavement me
• ensorcellment me
• entailment me
• entanglement me
• entertainment me
• enthrallment me
• enthronement me
• enticement me
• entitlement me
• entombment me
• entrainment me
• entrancement me
• entrapment me
• entreatment me
• entrenchment me
• entrustment me
• envelopment me
• environment me
• equipment me
• equipollent me
• equivalent me
• erodent me
• erumpent me
• escapement me
• escarpment me
• esculent me
• establishment me
• estrangement me
• esurient me
• evanescent me
• event me
• evident me
• evolvement me
• excellent me
• excipient me
• excitement me
• excrement me
• excrescent me
• excurrent me
• exhalent me
• exigent me
• existent me
• expedient me
• experiment me
• exponent me
• extent me
• extinguishment me
• extolment me
• famishment me
• feculent me
• feoffment me
• ferment me
• fervent me
• figment me
• filament me
• firmament me
• fitment me
• flatulent me
• fleshment me
• flocculent me
• florescent me
• fluent me
• fluorescent me
• foment me
• forestallment me
• forewent me
• forspent me
• forwent me
• fragment me
• fraudulent me
• frequent me
• frutescent me
• fulfillment me
• fulgent me
• fundament me
• garment me
• garnishment me
• gedankenexperiment me
• gent me
• gerent me
• glabrescent me
• godparent me
• government me
• gradient me
• grandiloquent me
• grandparent me
• habiliment me
• harassment me
• hardiment me
• hatchment me
• hellbent me
• hent me
• hereditament me
• horrent me
• houseparent me
• hutment me
• hyperdevelopment me
• hyperefficient me
• hyperexcitement me
• hyperintelligent me
• hypervirulent me
• idempotent me
• ignescent me
• immanent me
• imminent me
• immunocompetent me
• immunodeficient me
• immunofluorescent me
• immunosorbent me
• immurement me
• impairment me
• impalement me
• impartment me
• impatient me
• impeachment me
• impediment me
• impendent me
• impenitent me
• impercipient me
• imperilment me
• impermanent me
• impertinent me
• impingement me
• implement me
• impotent me
• impoundment me
• impoverishment me
• impressment me
• imprisonment me
• improvement me
• improvident me
• imprudent me
• impudent me
• inadvertent me
• inapparent me
• incalescent me
• incandescent me
• incident me
• incipient me
• incitement me
• inclement me
• incoherent me
• incompetent me
• incongruent me
• inconscient me
• inconsequent me
• inconsistent me
• incontinent me
• inconvenient me
• increment me
• increscent me
• incumbent me
• incurrent me
• indecent me
• indehiscent me
• indent me
• independent me
• indictment me
• indifferent me
• indigent me
• indolent me
• indorsement me
• inducement me
• indulgent me
• inefficient me
• ineloquent me
• inexistent me
• inexpedient me
• influent me
• infotainment me
• infrequent me
• infringement me
• ingredient me
• inherent me
• innocent me
• inpatient me
• insentient me
• insistent me
• insolent me
• insolvent me
• installment me
• instalment me
• instillment me
• instrument me
• insufficient me
• insurgent me
• integument me
• intelligent me
• intendment me
• intent me
• intercurrent me
• interdependent me
• interlacement me
• interlent me
• interment me
• intermittent me
• internment me
• intersegment me
• intertwinement me
• intransigent me
• intromittent me
• intumescent me
• inurement me
• inveiglement me
• invent me
• investment me
• involvement me
• iridescent me
• irreverent me
• judgement me
• judgment me
• jurisprudent me
• juvenescent me
• kent me
• lambent me
• lament me
• languishment me
• latent me
• lenient me
• lent me
• ligament me
• lineament me
• liniment me
• liquescent me
• lodgement me
• lodgment me
• loment me
• lucent me
• luculent me
• luminescent me
• macronutrient me
• magnificent me
• magniloquent me
• maladjustment me
• malapportionment me
• malcontent me
• maleficent me
• malevolent me
• maltreatment me
• management me
• margent me
• measurement me
• medicament me
• mellifluent me
• merriment me
• microelement me
• microenvironment me
• microfilament me
• micromanagement me
• micronutrient me
• misagent me
• misalignment me
• misemployment me
• misevent me
• misgovernment me
• misjudgment me
• mismanagement me
• mismeasurement me
• misorient me
• misplacement me
• misrepresent me
• missent me
• misspent me
• misstatement me
• mistreatment me
• moment me
• monofilament me
• monovalent me
• monument me
• mordent me
• movement me
• multiclient me
• multicomponent me
• multielement me
• multifilament me
• multivalent me
• munificent me
• muniment me
• myofilament me
• nascent me
• negligent me
• nescient me
• newsagent me
• nilpotent me
• nocent me
• nonabsorbent me
• nonachievement me
• nonadjacent me
• nonaffluent me
• nonalignment me
• nonargument me
• nonattachment me
• nonbelligerent me
• noncoherent me
• noncommitment me
• nonconcurrent me
• noncongruent me
• noncontingent me
• noncurrent me
• nondelinquent me
• nondependent me
• nondevelopment me
• nonemployment me
• nonenforcement me
• nonengagement me
• nonentertainment me
• nonequivalent me
• nonestablishment me
• nonevent me
• nonexistent me
• nonfluorescent me
• nonfulfillment me
• nongovernment me
• nonincumbent me
• noninstallment me
• noninvolvement me
• nonmanagement me
• nonnegligent me
• nonpayment me
• nonpersistent me
• nonreappointment me
• nonrecurrent me
• nonresident me
• nonrespondent me
• nonstudent me
• nontreatment me
• nonturbulent me
• nonurgent me
• nonviolent me
• nourishment me
• nutrient me
• nutriment me
• obedient me
• obsolescent me
• obtainment me
• occident me
• occurrent me
• oddment me
• ointment me
• omnicompetent me
• omnificent me
• omnipotent me
• omnipresent me
• omniscient me
• opalescent me
• opponent me
• opulent me
• ordainment me
• orient me
• ornament me
• orpiment me
• outpatient me
• outplacement me
• outspent me
• outwent me
• overachievement me
• overadjustment me
• overassessment me
• overcommitment me
• overconfident me
• overdependent me
• overdevelopment me
• overdocument me
• overembellishment me
• overgarment me
• overindulgent me
• overinsistent me
• overinvestment me
• overlent me
• overornament me
• overpayment me
• overpotent me
• overrefinement me
• overspent me
• overstatement me
• overtreatment me
• overviolent me
• parament me
• parchment me
• parent me
• parliament me
• parturient me
• patent me
• patient me
• patulent me
• pavement me
• payment me
• pearlescent me
• pediment me
• pendent me
• penitent me
• pent me
• pentavalent me
• percent me
• percipient me
• permanent me
• perpent me
• persistent me
• pertinent me
• pestilent me
• phosphorescent me
• photocurrent me
• pigment me
• placement me
• plangent me
• plenipotent me
• pluripotent me
• polyvalent me
• ponent me
• portent me
• postaccident me
• postadolescent me
• postponement me
• postpubescent me
• postretirement me
• posttreatment me
• potent me
• preachment me
• preadolescent me
• prearrangement me
• precedent me
• precent me
• precommitment me
• predevelopment me
• predicament me
• preemergent me
• preeminent me
• preemployment me
• preenrollment me
• preexistent me
• preexperiment me
• preferment me
• prefigurement me
• prejudgment me
• preordainment me
• prepayment me
• prepotent me
• prepubescent me
• preretirement me
• prescient me
• present me
• presentient me
• presentiment me
• presentment me
• presettlement me
• president me
• pretournament me
• pretreatment me
• prevalent me
• prevenient me
• prevent me
• privatdocent me
• privatdozent me
• procumbent me
• procurement me
• proficient me
• profluent me
• prominent me
• pronouncement me
• propellent me
• proponent me
• provident me
• prudent me
• prurient me
• pschent me
• puberulent me
• pubescent me
• pulverulent me
• pungent me
• punishment me
• purulent me
• putrescent me
• puzzlement me
• quadrivalent me
• quiescent me
• quitrent me
• quotient me
• rabblement me
• radioallergosorbent me
• radioelement me
• radiolucent me
• raiment me
• rapprochement me
• ravagement me
• ravelment me
• ravishment me
• reaccent me
• readjustment me
• reagent me
• realignment me
• reappointment me
• reapportionment me
• reargument me
• rearmament me
• rearrangement me
• reascent me
• reassessment me
• reassignment me
• reattachment me
• recent me
• recipient me
• recommencement me
• recommitment me
• reconcilement me
• recoupment me
• recrudescent me
• recruitment me
• recumbent me
• recurrent me
• redeployment me
• redevelopment me
• redolent me
• reemployment me
• reenactment me
• reengagement me
• reenlistment me
• reequipment me
• reestablishment me
• referent me
• refinement me
• refluent me
• refrainment me
• refreshment me
• refulgent me
• refurbishment me
• regent me
• regiment me
• reimbursement me
• reindictment me
• reinforcement me
• reinstatement me
• reinvent me
• reinvestment me
• rejuvenescent me
• relent me
• relinquishment me
• relucent me
• remanent me
• remeasurement me
• reminiscent me
• remitment me
• remittent me
• renascent me
• renitent me
• renouncement me
• rent me
• reorient me
• repayment me
• repellent me
• repent me
• replacement me
• replenishment me
• represent me
• requirement me
• rescindment me
• resent me
• resentment me
• resettlement me
• resident me
• resilient me
• resolvent me
• resplendent me
• respondent me
• ressentiment me
• restatement me
• resurgent me
• reticent me
• retirement me
• retrenchment me
• revealment me
• revehent me
• reverent me
• revetment me
• revilement me
• reviviscent me
• rident me
• ringent me
• rodent me
• rousement me
• rubefacient me
• rudiment me
• rufescent me
• sacrament me
• salient me
• sapient me
• sarment me
• scandent me
• scent me
• securement me
• sediment me
• seducement me
• segment me
• semipermanent me
• semiretirement me
• semitranslucent me
• semitransparent me
• senescent me
• sent me
• sentient me
• sentiment me
• sequent me
• seropurulent me
• serpent me
• settlement me
• shent me
• shipment me
• signalment me
• silent me
• sklent me
• solacement me
• solvent me
• somnifacient me
• somnolent me
• sorbent me
• spent me
• splendent me
• splent me
• sprent me
• stablishment me
• startlement me
• statement me
• stepparent me
• strewment me
• strident me
• stringent me
• student me
• subadolescent me
• subagent me
• subbasement me
• subcomponent me
• subcontinent me
• subdepartment me
• subdevelopment me
• subemployment me
• subgovernment me
• subjacent me
• subpotent me
• subrent me
• subsegment me
• subsequent me
• subservient me
• subsistent me
• substituent me
• succedent me
• succulent me
• sufficient me
• superabsorbent me
• superagent me
• superconfident me
• supercontinent me
• superconvenient me
• supercurrent me
• superefficient me
• supereminent me
• supergovernment me
• superincumbent me
• superintelligent me
• superintendent me
• superjacent me
• supervenient me
• supplement me
• talent me
• tangent me
• tanglement me
• tegument me
• temperament me
• tenement me
• tent me
• tervalent me
• testament me
• tetravalent me
• thermoelement me
• thermoluminescent me
• thermoremanent me
• torment me
• torrent me
• totipotent me
• tournament me
• traducement me
• transcendent me
• transient me
• translucent me
• transparent me
• transshipment me
• treatment me
• triboluminescent me
• trident me
• trivalent me
• truculent me
• tumescent me
• turbulent me
• turgent me
• turgescent me
• ultracompetent me
• ultraconvenient me
• ultraefficient me
• ultraviolent me
• unabsorbent me
• unaffluent me
• unambivalent me
• unapparent me
• unbelligerent me
• unbent me
• uncomplacent me
• uncurrent me
• undecadent me
• underachievement me
• undercurrent me
• underdevelopment me
• underemployment me
• undergarment me
• underinvestment me
• underlayment me
• undernourishment me
• underpayment me
• understatement me
• underwent me
• unemployment me
• unfoldment me
• unguent me
• unintelligent me
• univalent me
• unkent me
• unpent me
• unreminiscent me
• unrent me
• unsent me
• unsettlement me
• unsilent me
• unspent me
• upsent me
• urgent me
• varment me
• vehement me
• vent me
• vestment me
• vicegerent me
• violent me
• virescent me
• viridescent me
• virulent me
• vouchsafement me
• weldment me
• went me
• wilderment me
• wisent me
• wonderment me
• worriment me

N.B. corresponding emails @ent.me will work too.

In fact, only your imagination is the limit.