15-letter words containing n, o, u, i, s
- washing-up bowl — plastic bowl used for washing dishes
- white mountains — a mountain range in the US, chiefly in N New Hampshire: part of the Appalachians. Highest peak: Mount Washington, 1917 m (6288 ft)
- whoopee cushion — a type of cushion or pillow used as a practical joke that, when sat upon, produces a loud noise resembling flatulence.
- wilson's thrush — veery.
- win one's spurs — a U -shaped device that slips over and straps to the heel of a boot and has a blunt, pointed, or roweled projection at the back for use by a mounted rider to urge a horse forward.
- winesburg, ohio — a cycle of short stories (1919) by Sherwood Anderson.
- women's studies — a program of studies concentrating on the role of women in history, learning, and culture.
- writ of summons — a writ requiring one to appear in court to answer a complaint.
- yes-no question — a question calling for an answer of yes or no, as Are you ready?
- yes/no question — a question inviting the answer "yes" or "no"
- yorke peninsula — a peninsula in S Australia between Spencer Gulf and the Gulf of St. Vincent. 160 miles (257 km) long and 20–35 miles (32–56 km) wide.