9-letter words containing a, t, w, o
- white oak — a town in central Maryland, near Washington, D.C.
- whitecoat — a baby seal, usually less than four weeks old and still having its initial white fur.
- wild oats — any uncultivated species of Avena, especially a common weedy grass, A. fatua, resembling the cultivated oat.
- witwanton — an instance of being disrespectfully witty
- wollaston — William Hyde, 1766–1828, English chemist and physicist.
- woodchats — Plural form of woodchat.
- woodcraft — skill in anything that pertains to the woods or forest, especially in making one's way through the woods or in hunting, trapping, etc.
- workboats — Plural form of workboat.
- workmates — Plural form of workmate.
- worktable — a table with a work surface, often with drawers.
- worldbeat — a type of folk music combined with western mainstream influences
- wormcasts — Plural form of wormcast.
- worrywart — a person who tends to worry habitually and often needlessly; pessimist; fussbudget.
- wyandotte — a city in SE Michigan, on the Detroit River.
- wyliecoat — a woolen or flannel undergarment, as a warm undershirt.
- zantewood — Fustic (tree).