15-letter words containing r, u, s, t, p
- upper east side — a section of the East Side of New York City, conventionally between 57th Street and 96th Street, known for its affluence.
- upsetting lever — the horizontal distance between the center of gravity, acting downward, and the center of buoyancy, acting upward, when they are so placed as to form a couple (upsetting couple) tending to capsize the boat.
- venus's-flytrap — a carnivorous plant, Dionaea muscipula, native to bogs of North and South Carolina, having roundish leaves with two lobes that close like a trap when certain delicate hairs on them are irritated, as by a fly: the range is now reduced, though the plants are still locally abundant.
- walpurgis night — (especially in medieval German folklore) the evening preceding the feast day of St. Walpurgis, when witches congregated, especially on the Brocken.
- western juniper — a round-headed tree, Juniperus occidentalis, of the western coast of the U.S., having scalelike leaves with a gland on the back and oval, blue-black fruit.
- white corpuscle — white blood cell.
- white supremacy — the belief, theory, or doctrine that white people are inherently superior to people from all other racial groups, especially black people, and are therefore rightfully the dominant group in any society.
- winter purslane — a plant, Montia perfoliata, native to western North America, of the purslane family, having edible, egg-shaped leaves and clusters of small, white flowers.