Thefts rhymes with:
left's, aerolifts, aircraft's, aircrafts, airlifts, bancroft's, boatlift's, boatlifts, camshafts, craft's, crafts, crankshafts, crofts, draft's, drafts, draughts, drifts, forklifts, gemcraft's, gifts, grafts, haft's, hafts, hafts', handcrafts, handicrafts, haylofts, kraft's, left's, lifts, loft's, lofts, metallgesellschaft's, microsoft's, overdrafts, rafts, rifts, shafts, shifts, sifts, spacecraft's, swift's, swifts, taft's, tandycrafts, thrift's, thrifts, thrifts', tufts, updrafts, vandergrift's
Thefts sounds like:
taft's, tebbetts, thibodeaux, tibbets, tibbetts, tibbits, tibbitts, tidbits, tippets, tippetts, tufts