The word hesitators 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: 12
Highest Scoring Words With Friends™ Plays In The Letters hesitators
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Seven Letter Word Alert: (37 words)
artiest, artists, ashiest, atheist, attires, earshot, hastier, hatters, hitters, hosiers, iratest, rashest, rattish, retoast, rosiest, rotates, satires, shatter, sitters, sorties, staters, stories, straits, striate, taoists, tartish, tasters, tastier, theists, thirsts, thorite, threats, throats, tithers, toaster, trashes, tsarist