The word acetylcholine 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: 26
Highest Scoring Words With Friends™ Play In The Letters acetylcholine
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Seven Letter Word Alert: (66 words)
acetone, acolyte, aconite, acyloin, alethic, aloetic, anthill, cacolet, calcine, calcite, caliche, calicle, caltech, cecally, chalice, chancel, chantey, chaotic, chelate, cholate, choleic, choline, cleanly, coalite, cocaine, cochlea, coeliac, collate, collect, conceal, conceit, conical, cotylae, cyanite, cyclane, cyclene, cyclone, cynical, echelon, elation, enocyte, enolate, ethanol, ethical, halcyon, helical, hellcat, hotline, hyaline, hyalite, inocyte, laconic, lactone, latency, lection, licence, lineate, lithely, loathly, neocyte, oceanic, tachyon, tallyho, toenail, tonally, yachtie