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