12-letter words containing m, a, l, s
- villahermosa — a state in SE Mexico, on the Gulf of Campeche. 9783 sq. mi. (25,338 sq. km). Capital: Villahermosa.
- voluntaryism — voluntarism (def 2).
- westmoreland — William Childs [chahyldz] /tʃaɪldz/ (Show IPA), 1914–2005, U.S. army officer: commander of U.S. forces in Vietnam and Thailand 1964–68.
- whimsicality — Also, whimsicalness. whimsical quality or character.
- white salmon — the yellowtail, Seriola lalandei.
- wild mustard — any of several weedy plants belonging to the genus Brassica, of the mustard family, as charlock.
- williamsburg — a city in SE Virginia: colonial capital of Virginia; now restored to its original pre-Revolutionary style.
- williamsport — a city in central Pennsylvania, on the Susquehanna River.
- womb-leasing — bearing a child on behalf of a couple unable to have a child; surrogacy
- world-famous — famous throughout the world: a world-famous film.
- xylobalsamum — the dried, fragrant wood of the Balsamodendron gileadense that produces resin known as Balm of Gilead
- zebra mussel — a small striped freshwater mussel from NE Europe, Dreissena polymorpha: introduced to the Great Lakes in the 1980s and deleteriously affecting water pipes, other fauna, etc.
- zorn's lemma — a theorem of set theory that if every totally ordered subset of a nonempty partially ordered set has an upper bound, then there is an element in the set such that the set contains no element greater than the specified given element.