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