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