12-letter words containing t, r, a, p, f
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- waterproofed — Having been made waterproof.
- waterproofer — One who, or that which, makes waterproof.
- weatherproof — able to withstand exposure to all kinds of weather.
- zip fastener — a zipper.