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=

Handbag, kitbag, bagpipes, sleeping bag.

Band, chair, fire, pit Clip, news, wall, weight Fall, proof, salt, melon Basket, eye, snow, room Cloth, coffee, spoon, time

Band, chair, fire, pit + arm = armband, armchair, fire arm, armpit

Clip, news, wall, weight + paper = paper clip, newspaper, wallpaper, paperweight

Fall, proof, salt, melon + water = waterfall, waterproof, saltwater, watermelon

Basket, eye, snow, room + ball = basketball, eyeball, snowball, ballroom

Cloth, coffee, spoon, time + table = tablecloth, coffee table, tablespoon, timetable

armband, armchair, fire arm, armpit + arm

paperclip, newspaper, wallpaper, paperweight + paper

waterfall, waterproof, saltwater, watermelon + water

basketball, eyeball, snowball, ballroom + ball

tablecloth, coffee table, tablespoon, timetable + table