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