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