Last week’s solutions:

aitch, aphis, apish, cash, chaos, chap, chaps, chat, chats, chip, chips, chit, chop, chops, cosh, hasp, hast, hits, hoist, hops, host, hots, itch, oath, pachisi, pash, patch, path, pathos, pistachio, pitch, pith, poach, posh, potash, shoat, ship, shop, shot, this.