16-letter words containing w, a, n, k
- weak interaction — the interaction between elementary particles and the intermediate vector bosons that carry the weak force from one particle to another.
- what do you know — People sometimes say 'What do you know!' when they are very surprised about something.
- william mckinley — William, 1843–1901, 25th president of the U.S. 1897–1901.
- world bank group — the collective name for the International Bank for Reconstruction and Development, the International Finance Corporation, and the International Development Association, whose headquarters are all in Washington
- yellowstone lake — a lake in NW Wyoming, in Yellowstone National Park. 20 miles (32 km) long; 140 sq. mi. (363 sq. km).