The word calibrations 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: 20
Highest Scoring Words With Friends™ Play In The Letters calibrations
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Seven Letter Word Alert: (66 words)
abators, abiotic, ablator, abstain, acrobat, actions, airboat, albinic, albinos, albitic, alicant, arblast, arctans, artisan, atonias, atonics, barista, basilar, bastion, biotics, biotins, bitcoin, blastic, botanic, bristol, cantors, carbons, carinal, cartons, cations, citrons, clarion, coalbin, coaltar, coastal, cobalts, colitis, cranial, cratons, iconist, incisor, italics, lacinia, lariats, liaison, libator, nicosia, nostril, obtains, oilcans, orbital, rations, rosalic, satanic, satiric, scribal, scrotal, silicon, sirloin, solicit, stoical, strobic, tabasco, tailors, tribals, tsarina