will-power

n [U] = will 2a.

wilco, wild, wild card, wild-goose chase, wildcat, wildebeest, wilderness, wildfire, wildfowl, wildlife, wildly, wildness, wiles, wilful (US also willful), wilfully, wilfulness, wiliness, will, will-o'-the-wisp, will-o-the-wisp, willful, willfully, willfulness, willies, willing, willingly, willingness, willow, willow-pattern, willowy, willy, willy-nilly, wilt, wily, wimp, wimpish, wimple, win, wince, winceyette,