The word hairweavings is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 24
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (56 words)
airings, airwave, airwise, arising, arshine, earwigs, erasing, gainers, garnish, gnasher, gnawers, gravies, hangars, hangers, hearing, heaving, hernias, inveigh, raising, ravages, ravines, ravings, reaving, regains, rehangs, sangria, savager, searing, serving, sharing, shaving, shewing, shinier, sieving, vaginas, varnish, vearing, versing, viewing, vinegar, virgins, waivers, waiving, washing, washrag, wearing, wearish, weaving, wharves, whiners, whinger, whinges, whinier, wingers, wirings, wishing