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