11-letter words containing o, s, t, w, a
- waistcoated — Wearing a waistcoat.
- wall socket — socket (def 2b).
- walthamstow — a former borough, now part of Waltham Forest, in SE England.
- warm sector — the region of warmest air bounded by the cold and warm fronts of a cyclone.
- watchtowers — Plural form of watchtower.
- water louse — an aquatic isopod of the genus Asellus, common in weedy water
- watercolors — Plural form of watercolor.
- watercourse — a stream of water, as a river or brook.
- waterfronts — Plural form of waterfront.
- waterlocust — a thorny honeylocust (Gleditsia aquatica), native to the SE U.S., with a dark, heavy wood that takes a high polish
- watermelons — Plural form of watermelon.
- waterproofs — Third-person singular simple present indicative form of waterproof.
- waterspouts — Plural form of waterspout.
- watson-watt — Sir Robert Alexander, 1892–1973, Scottish physicist: helped develop radar.
- watsonville — a city in W California.
- watt-second — a unit of energy equal to the energy of one watt acting for one second; the equivalent of one joule.
- way station — a station intermediate between principal stations, as on a railroad.
- weathermost — (nautical) Farthest to the windward side.
- west covina — a city in SW California, E of Los Angeles.
- west jordan — a town in N central Utah.
- west orange — a town in NE New Jersey, near Newark.
- westmorland — a former county in NW England, now part of Cumbria, partially in the Lake District.
- wet compass — a compass having a compass card floating in a liquid.
- what's more — in addition
- whereabouts — about where? where?
- whirlabouts — Plural form of whirlabout.
- white toast — toasted white bread
- whiteboards — Plural form of whiteboard.
- whoremaster — someone who consorts with whores; a lecher or pander.
- window seat — a seat built beneath the sill of a recessed or other window.
- winter oats — oats that are planted in the autumn to be harvested in the spring or early summer.
- with reason — a basis or cause, as for some belief, action, fact, event, etc.: the reason for declaring war.
- work basket — a basket for holding sewing equipment
- workbaskets — Plural form of workbasket.
- workstation — a work or office area assigned to one person, often one accommodating a computer terminal or other electronic equipment.
- yachtswoman — a woman who owns or sails a yacht, or who is devoted to yachting.
- yachtswomen — Irregular plural form of yachtswoman.
- yellow hats — the sect of Tibetan Buddhist monks established after religious reforms in the 14th century.
- yellowtails — Plural form of yellowtail.