Here's what rhymes with involutary.
bury dairy cherry berry tarry parry tare barre terry very vary marry fairy merry ferry prairie wary hairy salutary sherry harry nary apiary faerie wherry military literary secretary dietary hereditary solitary urinary scary ternary canary remarry unwary pessary lapidary elderberry nondairy plagiary ordinary arbitrary monetary coronary cemetery involuntary legendary pituitary tributary unitary budgetary corollary estuary honorary planetary veterinary emissary papillary luminary aviary beriberi insanitary legionary dromedary equerry huckleberry humeri voluptuary bilberry topiary sectary necessary secondary temporary customary missionary pulmonary capillary commentary evolutionary monastery stationary subsidiary adversary disciplinary momentary proprietary sanitary visionary ancillary dysentery inflationary mercenary sedentary seminary apothecary commissary culinary fiduciary functionary funerary itinerary mortuary obituary sanguinary savagery stationery statuary cautionary centenary dignitary interplanetary tutelary unsanitary bacillary breviary buffoonery nonmilitary actuary cassowary nonliterary chokecherry extraordinary revolutionary preliminary unnecessary dictionary imaginary sanctuary vocabulary fragmentary judiciary maxillary reactionary exclusionary paramilitary recessionary nonhereditary uncustomary contemporary pecuniary discretionary interdisciplinary confectionery deflationary epistolary expansionary genitourinary probationary supernumerary constabulary diversionary undersecretary concessionary elocutionary tercentenary beneficiary expeditionary eleemosynary geostationary bicentenary multidisciplinary cardiopulmonary counterrevolutionary Words that almost rhyme with involutary
belly jelly deli telly allele smelly underbelly vermicelli barely petty penny jetty teddy bevy jenny many heavy ready fairly rarely steady semi deadly gentry levy antennae heady levee messy belfry deathly pebbly tempi testy breathy dressy faery libretti pesky kepi leggy recce sedgy veggie especially twenty healthy gently plenty wealthy lengthy densely fleshy carefree deftly medley sentry sexy sketchy sweaty unfairly unsteady vestry gayety hefty machete stealthy fidgety tensely trendy aplenty thready adeptly lefty wetly already directly assembly scarcely elementary freshly unhealthy frenzy squarely spaghetti coquetry fleshly halfpenny sullenly confetti hostelry maidenly marquetry effendi preciously woodenly friendly correctly intensely epilepsy immensely intently apoplexy grotesquely baronetcy deviancy reassembly ineptly indirectly expressly unfriendly excellency complexly narcolepsy sacredly catalepsy complementary incorrectly confusedly penitently ambivalently circumspectly cognoscenti equivalently