The word sanctitudes 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 sanctitudes
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Seven Letter Word Alert: (68 words)
acutest, ascends, ascents, ascites, attends, attuned, attunes, aunties, autists, candies, caseins, dacites, decants, dentist, descant, destain, detains, dictate, discant, discase, dissect, dissent, distant, ductase, dunites, incased, incests, induces, inducts, insects, instate, instead, nictate, nudists, nutcase, sainted, sanctus, scatted, secants, seitans, sestina, sinuate, situate, snidest, stained, stances, statice, statics, statins, statued, statues, stinted, student, studies, stunted, sudates, sundaes, sustain, tainted, taunted, tautens, tetanic, tetanus, tissued, uncased, uncited, unsated, unseats