4 letter works beginning with W and ending with K: weak week work wick walk
Kayak: a sports canoe or boat. Kick: to strike or move with the foot. Kink: a tight coil or twist; a minor difficulty. Kiosk: a vendor's small booth or cart. Knack: skill; a natural ability....
To list a few: break. bleak. cork. crack. click. dark. dork. earmark. flick. flock. frank. hark. jerk. leak. lurk. lark. lack. luck. mark. mask. park. pork. perk. pick. prick. prank. quark. quack....
Iraq.
Kids, kart, Kook king kick