The word recalculates 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 recalculates
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Seven Letter Word Alert: (63 words)
acaters, accrete, accrual, accrues, accurse, accurst, accusal, accuser, acerate, actuals, acuates, aerates, allstar, allures, arcuate, auletes, aurates, austere, austral, callers, cartels, caseate, catcall, cauters, cellars, cerates, cereals, clarets, clausal, cluster, creates, crustal, curates, cureall, elaters, eluates, estrual, euaster, euclase, lactase, lacteal, lateral, laurels, lecture, realest, recalls, recluse, recusal, relaces, relates, rescale, retells, saccate, saluter, scarlet, sclerae, scleral, secular, stealer, stellar, sulcate, tellers, treacle