Similar word to thief:

bandit, burglar, cat burglar, cheat, clip, criminal, crook, defalcator, embezzler, heister, highway robber, hijacker, holdup artist, housebreaker, kleptomaniac, larcener, larcenist, lifter, moonlighter, mugger, owl, pickpocket, pilferer, pirate, plunderer, porch climber, prowler, punk, purloiner, robber, scrounger, shoplifter, sniper, spider, stealer, stickup artist, swindler