Rioter rhymes with:
proprietor, proprietor, quieter, wiater, accelerometer, altimeter, altvater, amphitheater, amphitheatre, anemometer, benatar, benscoter, capacitor, catheter, comparator, competitor, conservator, conspirator, contributor, creditor, densitometer, diameter, distributor, dynamometer, editor, elater, eletr, estimator, executor, exhibitor, fluorometer, goniometer, hochstatter, hovater, hovatter, hydrometer, hygrometer, inheritor, inhibitor, inquisitor, interferometer, interlocutor, interpreter, janitor, jupiter, kilometer, magnetometer, marketer, meritor, micrometer, monitor, odometer, orator, orbiter, parameter, perimeter, picketer, polarimeter, predator, proprietor, quieter, secateur, senator, solicitor, spectrometer, speedometer, stiefvater, streitmatter, strittmatter, theater, theatre, thermometer, trumpeter, visitor, wiater
Rioter sounds like:
radar, radder, rader, radiator, raeder, raether, raider, rater, rather, ratier, ratterree, rattray, reader, readier, redder, reder, redraw, reeder, rehder, reider, reiter, reitera, reither, reitter, reorder, retire, retiree, retro, retry, retter, reuter, reuther, reutter, ridder, rider, rieder, riederer, riter, ritter, roder, rodier, roeder, roederer, roether, rohwedder, rohweder, rooter, rotary, rother, rothery, rotor, rotter, router, routhier, rudder, ruder, rueter, ruether, ruiter, ruter, ruther, rutter, ryder, ryther, ryutaro