The word coalescencies is playable in Words With Friends™, but 1 blank substituting for the letter 'c' is 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: 20
Highest Scoring Words With Friends™ Plays In The Letters coalescencies
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Seven Letter Word Alert: (43 words)
caisson, calcine, calicos, cancels, caseins, casinos, celosia, cession, ciscoes, classic, cleanse, coalise, cocaine, coeliac, conceal, concise, conical, cosines, encases, enclose, enolase, enseals, essence, iceless, insoles, laconic, lesions, licence, license, lioness, oceanic, oilcans, ossicle, salines, scalene, science, sconces, sealion, seances, silanes, silence, socials, solaces