New words from old. Which noun can you add to all four words to from new single-word nouns or two-word nouns? F.e.: hand, kit, pipes,sleeping+bag=

Band, chair, fire, pit+arm=armband, armchair, fire arm, armpitClip, news, wall, weight+paper=paper clip, newspaper, wallpaper, paperweightFall, proof, salt, melon+water=waterfall, waterproof, saltwater, watermelonBasket, eye, snow, room+ball=basketball, eyeball, snowball, ballroomCloth, coffee, spoon, time+table=tablecloth, coffee table, tablespoon, timetable