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