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