12-letter words containing n, o, s, w, i
- rainbow fish — guppy.
- reisterstown — a city in N Maryland.
- rolling news — current affairs: continuous
- rostenkowski — Dan(iel) 1928–2010, U.S. politician: congressman 1959–94.
- satin-flower — a Californian plant, Clarkia amoena, of the evening primrose family, having cup-shaped pink or purplish flowers blotched with red.
- series-wound — noting a commutator motor in which the field circuit and armature circuit are connected in series.
- servicewoman — a woman who is a member of the armed forces of a country.
- shooting war — open conflict between hostile nations involving direct military engagements.
- short-winded — short of breath; liable to difficulty in breathing.
- show jumping — sport: horseriding event
- showstopping — Theater. a performer or performance that wins enthusiastic or prolonged applause.
- signal tower — a tower from which railway signals are controlled or displayed
- sink or swim — fail or succeed
- slow-burning — (of combustible material) burning relatively slowly
- snow bunting — a bunting, Plectrophenax nivalis, of the northern parts of the Northern Hemisphere having white plumage.
- snow pudding — a pudding, prepared by folding egg whites into a lemon gelatin mixture.
- snowboarding — a board for gliding on snow, resembling a wide ski, to which both feet are secured and that one rides in an upright position.
- snowmobilist — a person who drives a snowmobile, a snowmobiler
- snowy mespil — a N American tree, Amelanchier Lamarckii, that produces small white flowers in spring
- spot welding — fusing metal
- stonewalling — the act of stalling, evading, or filibustering, especially to avoid revealing politically embarrassing information.
- storm window — a supplementary window sash for protecting a window against drafts, driving rain, etc.
- tapioca snow — snow pellets.
- tennis elbow — irritation of the synovial membrane, or joint rotary area, of the elbow, caused by immoderate motions while playing tennis or other sports; epicondylitis.
- the brownies — (in the US) the junior division of the Girl Scouts, usually for girls six to eight years old
- unwished-for — undesired; unwelcome: an unwished-for occurrence.
- unworshipful — not worshipful; not showing reverence or admiration
- unworshipped — not worshipped; not admired or revered
- unworthiness — not worthy; lacking worth or excellence.
- vienna woods — Wienerwald.
- wainscotings — Plural form of wainscoting.
- wainscotting — paneling or woodwork with which rooms, hallways, etc., are wainscoted.
- waistcoating — a fabric for making waistcoats.
- waking hours — Your waking hours are the times when you are awake rather than asleep.
- walking shoe — a sturdy comfortable shoe worn by hillwalkers, etc
- wapsipinicon — a river in E Iowa, flowing SE to the Mississippi River. 255 miles (410 km) long.
- warning shot — gunshot fired into the air
- washfountain — a large, usually circular wash basin, as in an industrial plant, in which a spray of water activated by foot pedal allows several workers to wash simultaneously.
- washing soda — sodium carbonate (def 2).
- washingtonia — either of two fan palm species from the genus Washingtonia
- wedding vows — promises made by bride and groom
- west lothian — a historic county in S Scotland.
- west pointer — a graduate of the US Military Academy at West Point
- westinghouse — George, 1846–1914, U.S. inventor and manufacturer.
- whipscorpion — any of numerous arachnids of the order Uropygi, of tropical and warm temperate regions, resembling a scorpion but having an abdomen that ends in a slender, nonvenomous whip.
- white salmon — the yellowtail, Seriola lalandei.
- wigtownshire — a historic county in SW Scotland.
- will contest — legal proceedings to contest the authenticity or validity of a will.
- wilton house — a mansion in Wilton in Wiltshire: built for the 1st Earl of Pembroke in the 16th century; rebuilt after a fire in 1647 by Inigo Jones and John Webb; altered in the 19th century by James Wyatt; landscaped grounds include a famous Palladian bridge
- wind erosion — the erosion, transportation, and deposition of topsoil by the wind, especially in dust storms.