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