18-letter words containing w, h, s, c
- world championship — an international competition in a particular sport or activity for people all around the world
- yellow honeysuckle — a spreading, twining vine, Lonicera flava, of the southern and eastern U.S., having fragrant, tubular, orange-yellow flowers.
- yelloweye rockfish — a red rockfish, Sebastes ruberrimus, of waters along the Pacific coast of North America, having eyes that are yellow and possessed of strong, sawlike bony ridges on the head.