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