16-letter words containing a, r, g, o
- velcro fastening — a fastening made of Velcro
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- virginia cowslip — a perennial woodland plant (Mertensia virginica) of the borage family, native to E North America and having clusters of blue or purple, bell-shaped flowers
- virginia tobacco — a type of flue-cured tobacco grown originally in Virginia
- walk a tightrope — be in a precarious position
- washington thorn — a dense tree, Crataegus phaenopyrum, of the rose family, native to the eastern coast of the U.S., having triangular leaves, small clusters of white flowers, and clusters of bright red fruit.
- white propaganda — propaganda that comes from the source it claims to come from
- willow ptarmigan — a ptarmigan, Lagopus lagopus, of arctic and subarctic regions of the New and Old Worlds, having brown, mottled plumage in summer and white plumage in winter.
- withdrawing room — a room to withdraw or retire to; drawing room.
- women's suffrage — right of adult females to vote
- 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
- wrongful trading — the act of allowing a company to continue trading when its insolvency is inevitable
- x-ray photograph — a radiograph made with x-rays.
- yablonovyy range — a mountain range in the SE Russian Federation in Asia, E of Lake Baikal.
- yellow archangel — a Eurasian herbaceous plant (Lamiastrum luteum) that has yellow helmet-shaped flowers: family Lamiaceae (labiates)
- 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)
- zygosporangium's — a sporangium that bears a zygospore.