15-letter words containing i, s, m, a, l
- villeda morales — Ramón [rah-mawn] /rɑˈmɔn/ (Show IPA), 1909?–71, Honduran diplomat and statesman: president 1957–63.
- wallpaper music — music that is pleasant but not interesting, so people do not pay much attention to it
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- welfare statism — the belief in or practices of a welfare state.
- westphalian ham — a hard German ham with a distinctive flavor derived from being smoked over beechwood and juniper.
- whatshumacallit — Alternative form of whatchamacallit.
- william webster — Daniel, 1782–1852, U.S. statesman and orator.
- wrestling match — sport: contention by grappling opponent
- yosemite valley — a glacial valley in Yosemite National Park in central California, in the Sierra Nevada Mountains. It has an altitude of about 1200 m (4000 ft), with sheer walls rising about another 1200 m (4000 ft).
- zermelo's axiom — axiom of choice.