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