The set of sixteen words below can be partitioned. Each partition is of four words that have something in common. I invite you to figure out the partitions and commonalities. You'll find that the four commonalities have, themselves, something in common.
ART, BAND, BEE, BLOUSE, BRIDGE, CHANGE, COAT, COPING, HACK, LEG, LION, LOCH, PINAFORE, SWEATER, TABLE, WOOD