Plagiarize rhymes with:
accessorize, authorize, burglarize, categorize, characterize, circularize, colorize, computerize, containerize, demilitarize, depressurize, familiarize, glamorize, memorize, mesmerize, militarize, miniaturize, mischaracterize, motorize, pasteurize, polarize, polymerize, popularize, pressurize, pulverize, reauthorize, rubberize, samurai's, samurais, satirize, summarize, temporize, terrorize, theorize, vaporize, winterize
Plagiarize sounds like:
pillager's, pillagers, pleasures, ploughshares, plowshares, polysar's, publisher's, publishers, publishers', pulsar's