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