18-letter words containing u, t, i, s
- women at point sur — a narrative poem (1927) by Robinson Jeffers.
- wood-burning stove — cooker: fueled by wood
- work out the kinks — If someone works out the kinks in a situation, they resolve the problems associated with it.
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)
- yeast nucleic acid — RNA.
- young conservative — a member of the youth section of the United Kingdom Conservative Party
- yves saint laurent — Louis Stephen [lwee ste-fen] /lwi stɛˈfɛn/ (Show IPA), 1882–1973, prime minister of Canada 1948–57.
- zone of saturation — the ground below the water table