16-letter words containing s, i, n, u
- wish fulfillment — gratification of desires.
- wishful thinking — interpretation of facts, actions, words, etc., as one would like them to be rather than as they really are; imagining as actual what is not.
- without question — If you do something without question, you do it without arguing or asking why it is necessary.
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty
- zagros mountains — a mountain range in S Iran: has Iran's main oilfields in its W central foothills. Highest peak: Zard Kuh, 4548 m (14 920 ft)
- zollner illusion — a spatial illusion in which parallel lines intersected by short oblique lines are perceived as converging or diverging.
- zygosporangium's — a sporangium that bears a zygospore.