16-letter words containing n, o, u, r
- world bank group — the collective name for the International Bank for Reconstruction and Development, the International Finance Corporation, and the International Development Association, whose headquarters are all in Washington
- 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
- wrongful trading — the act of allowing a company to continue trading when its insolvency is inevitable
- wrought ironwork — decorative work in wrought iron
- yellow underwing — any of several species of noctuid moths (Noctua and Anarta species), the hind wings of which are yellow with a black bar
- 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.