The word tablatures 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: 15
Highest Scoring Words With Friends™ Plays In The Letters tablatures
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Seven Letter Word Alert: (36 words)
abaters, abettal, ablates, ablutes, abreast, abuttal, abutter, arblast, astuter, aurates, austral, batlets, batters, battler, battles, blaster, bluster, bursate, bustler, butlers, butters, estrual, rattles, reblast, saltate, saluter, stabler, starlet, startle, stature, subarea, subtler, tableau, tablets, tabular, turtles