kleptomania

n [U] illness that causes an uncontrollable desire to steal things, often with no wish to possess the things stolen 偷窃狂; 盗窃癖.

kitbag, kitchen, kitchen garden, kitchen sink drama, kitchenette, kite, kite-flying, Kitemark, kith, kitsch, kitten, kittenish, kitty, Kituro, Kivu, kiwi, kiwi fruit, KKK, klaxon, Kleenex, kleptomaniac, km, kn, knack, knacker, knacker's yard, knackered, knapsack, knave, knavery, knavish, knavishly, knead, knee, knee-breeches, knee-deep, knee-high, knee-jerk, knee-length, kneecap,