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