Theorist rhymes with:
behaviorist, consumerist, counterterrorist, flavorist, futurist, gilchrest, gilcrest, horticulturist, monetarist, motorist, sechrest, sechrist, secrest, secrist, secularist, segrest, terrorist
Theorist sounds like:
target, targeted, teresita, terhorst, terraced, terrorist, terrorized, theorized, thirst, thirsty, thorstad, thrashed, throughout, thrust, thurgood, thursday, torched, tourist, traced, tracht, tracked, tract, tragedy, trashed, traugott, treesweet, trekked, trescott, trest, tri-state, trichet, tricked, trickett, trickiest, trieste, trista, tristate, troost, trost, trucked, truest, truscott, trust, trusted, trustee, trusty, trygstad, tryst, turcott, turcotte, turgid, turgut