20-letter words containing w, h, a, c
- white bush (scallop) — a variety of summer squash having a saucer-shaped white fruit, scalloped around the edges
- white-lipped peccary — a piglike artiodactyl mammal, Tayassu albirostris, of forests of southern North America, Central and South America: family Tayassuidae
- whole-life insurance — a type of insurance with a savings element that is guaranteed to pay out on death provided premiums have been paid as required by the policy
- whyte classification — a system for classifying steam locomotives according to the total number of wheels on the front trucks, drivers, and rear trucks, in that order. For example, a Pacific locomotive is designated as 4-6-2.
- wilson cloud chamber — cloud chamber.
- wipe the slate clean — begin afresh
- with a pinch of salt — without wholly believing; sceptically
- with all due respect — despite my regard for you
- worcestershire sauce — a sharp sauce made with soy, vinegar, spices, etc., originally made in Worcester, England.
- yellow-breasted chat — an American warbler, Icteria virens, having a yellow throat and breast and greenish-brown upper parts and noted for imitating the songs of other species.