The word chelations 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: 17
Highest Scoring Words With Friends™ Play In The Letters chelations
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Seven Letter Word Alert: (59 words)
achiest, aconite, actions, aitches, alecost, alethic, aloetic, atonics, cantles, castile, cations, celosia, chalets, chasten, cholate, choline, clients, clothes, coalise, coalite, coltish, elastic, elastin, elation, entails, ethanol, ethical, ethnics, halites, histone, holiest, hostile, hotline, inhales, isolate, laciest, lactone, lactose, lancets, latches, leantos, lection, lichens, lionets, loathes, locates, nailset, notches, notices, octanes, oilcans, salient, satchel, sealion, section, stencil, stoical, thiones, toenail