Theorized rhymes with:
accessorized, authorized, burglarized, categorized, characterized, colorized, computerized, containerized, demilitarized, denuclearized, depressurized, familiarized, memorized, mesmerized, militarized, miniaturized, mischaracterized, motorized, pasteurized, plagiarized, polarized, polymerized, popularized, pressurized, pulverized, reauthorized, rubberized, summarized, terrorized, unauthorized, vaporized, winterized
Theorized sounds like:
target, targeted, teresita, terhorst, terraced, terrorist, terrorized, theorist, 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