18-letter words containing a, s, t, o, u
- west-southwestward — moving, bearing, facing, or situated toward the west-southwest.
- westinghouse brake — a railroad air brake operated by compressed air.
- without hesitation — immediately, willingly
- woman of the house — lady of the house.
- women at point sur — a narrative poem (1927) by Robinson Jeffers.
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)
- young conservative — a member of the youth section of the United Kingdom Conservative Party
- zone of saturation — the ground below the water table