Here's what rhymes with underordinary.
marry merry nary very ordinary vary fairy urinary bury dairy ferry wary cherry hairy berry sherry tarry ternary canary parry unwary harry legionary tare barre terry faerie wherry pulmonary dietary legendary prairie honorary papillary scary luminary remarry buffoonery pessary apiary lapidary elderberry nondairy literary temporary arbitrary customary missionary capillary coronary dictionary hereditary imaginary stationary adversary pituitary visionary budgetary dysentery mercenary sedentary seminary veterinary emissary itinerary stationery cautionary centenary aviary bacillary actuary equerry humeri bilberry tercentenary topiary plagiary uncustomary necessary military secondary monetary preliminary commentary evolutionary solitary cemetery disciplinary momentary proprietary reactionary sanitary tributary unitary ancillary corollary estuary planetary salutary apothecary commissary culinary funerary mortuary obituary sanguinary statuary deflationary dignitary epistolary probationary tutelary beriberi breviary diversionary cassowary dromedary recessionary voluptuary chokecherry sectary contemporary extraordinary revolutionary secretary unnecessary monastery sanctuary fragmentary involuntary judiciary maxillary pecuniary discretionary inflationary fiduciary functionary savagery confectionery genitourinary interplanetary supernumerary unsanitary concessionary geostationary huckleberry bicentenary elocutionary nonliterary subsidiary vocabulary beneficiary interdisciplinary exclusionary expansionary expeditionary paramilitary constabulary insanitary nonmilitary undersecretary eleemosynary nonhereditary cardiopulmonary multidisciplinary counterrevolutionary Words that almost rhyme with underordinary
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 complementary intensely intently unfriendly apoplexy halfpenny hostelry deviancy reassembly preciously woodenly indirectly incorrectly excellency complexly narcolepsy sacredly catalepsy penitently expressly confusedly grotesquely ambivalently cognoscenti circumspectly equivalently