20-letter words containing t, h, e, w, d
- unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
- weights and measures — units or standards of measurement
- white-flowered gourd — the hard-shelled fruit of any of various plants, especially those of Lagenaria siceraria (white-flowered gourd or bottle gourd) whose dried shell is used for bowls and other utensils, and Cucurbita pepo (yellow-flowered gourd) used ornamentally. Compare gourd family.
- white-fringed beetle — any of several weevils of the genus Graphognathus, native to South America and now of southeastern and mid-Atlantic U.S., whose larvae feed on roots and cause serious damage to a wide variety of plants.
- white-lipped peccary — a piglike artiodactyl mammal, Tayassu albirostris, of forests of southern North America, Central and South America: family Tayassuidae
- with all due respect — despite my regard for you
- without detriment to — If something happens without detriment to a person or thing, it does not harm or damage them.
- without prejudice to — If you take an action without prejudice to an existing situation, your action does not change or harm that situation.
- 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.