16-letter words containing w, i, l, o, a, n
- whole nine yards — a common unit of linear measure in English-speaking countries, equal to 3 feet or 36 inches, and equivalent to 0.9144 meter.
- william hamilton — (person) A mathematician who posed Hamilton's problem.
- willow ptarmigan — a ptarmigan, Lagopus lagopus, of arctic and subarctic regions of the New and Old Worlds, having brown, mottled plumage in summer and white plumage in winter.
- wilson's disease — a rare hereditary disease in which copper accumulates in the brain and liver, gradually leading to tremors, muscular rigidity, kidney malfunction, and cognitive disturbances: marked by Kayser-Fleischer rings.
- wilson's warbler — a North American warbler, Wilsonia pusilla, having yellow plumage and a black patch on top of the head.
- windchill factor — an estimated measurement of the cooling effect of air and wind, esp. when applied to the loss of body heat from exposed skin; chill factor
- windfall profits — Windfall profits are excessive profits with a non-business cause such as a natural disaster.
- windowless monad — (in the philosophy of Leibniz) a monad having no direct causal or perceptual relation with any other monad.
- windowpane shell — capiz.
- woodland caribou — a variety of caribou inhabiting the bogs and forests of eastern Canada, having large, palmate antlers.
- woolly manzanita — a tree or shrub, Arctostaphylos tomentosa, of the heath family, common from British Columbia to California, having broad leaves, with the underside covered with white hairs, and white flowers.
- wrongful trading — the act of allowing a company to continue trading when its insolvency is inevitable
- yellow poinciana — royal poinciana.
- yellowfin (tuna) — a tuna (Thunnus albacares) with yellow fins and a yellow stripe on each side, important as a game and food fish and found worldwide in warm seas