15-letter words containing a, n, i, m, u, s
- untransmissible — intransmissible
- usman dan fodio — 1754–1817, African mystic and revolutionary leader, who created a Muslim state in Nigeria
- white mountains — a mountain range in the US, chiefly in N New Hampshire: part of the Appalachians. Highest peak: Mount Washington, 1917 m (6288 ft)