The word barbiturates 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™ Play In The Letters barbiturates
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Seven Letter Word Alert: (63 words)
abaters, abraser, abreast, abutter, airbase, arabise, arbiter, artiest, artsier, astuter, atresia, attirer, attires, aurates, babiest, baiters, barbers, barbies, barista, barites, barters, baruria, batters, battier, bitrate, bitters, braiser, brasier, bribers, bruiser, bursate, bustier, butters, butties, iratest, rabbets, rabbits, rarebit, ratbite, ratters, rattier, rebaits, reburst, restart, rubbers, rustier, ruttier, satiate, situate, stabber, starter, stature, striate, subarea, tabbies, tarries, tartars, tastier, terabit, tribute, truster, tubbier, turrets