12-letter words containing y, a, m, o, u, s
- voluntaryism — voluntarism (def 2).
- xylobalsamum — the dried, fragrant wood of the Balsamodendron gileadense that produces resin known as Balm of Gilead
- yamoussoukro — a republic in W Africa: formerly part of French West Africa; gained independence 1960. 127,520 sq. mi. (330,275 sq. km). Capital: Abidjan.
- your-majesty — regal, lofty, or stately dignity; imposing character; grandeur: majesty of bearing; the majesty of Chartres.
- yukawa meson — a hypothetical elementary particle with finite rest mass, whose exchange between nucleons would account for the strong short-range forces between nucleons: subsequently identified as the pion.