The word calcinations 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: 21
Highest Scoring Words With Friends™ Play In The Letters calcinations
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Seven Letter Word Alert: (40 words)
aclinic, actinic, actions, alicant, anionic, anoints, antlion, atonias, atonics, calicos, cancans, cannoli, canonic, cantons, cations, clastic, clinics, clitics, cloacas, coastal, colicin, colitis, conical, contain, iconist, incants, italics, lacinia, laconic, liaison, nations, niacins, nicosia, oilcans, satanic, sciatic, silicon, solicit, stannic, stoical