The word gratuitously 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: 19
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (31 words)
agoutis, altoist, glottis, grayout, gristly, guitars, gustily, layouts, liturgy, ouguiya, outlast, outlays, outsail, outstay, ragouts, rituals, rustily, stagily, starlit, stoutly, sutural, tailors, tastily, titular, tourist, trilogy, tryouts, trysail, tutorly, yogurts, yttrias