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