The word ebullitions 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: 18
Highest Scoring Words With Friends™ Plays In The Letters ebullitions
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Seven Letter Word Alert: (42 words)
betoils, billets, billion, biolite, biotins, boniest, botulin, bullets, bullies, bullion, elision, elusion, elution, illites, inosite, instill, iolites, lentils, lintels, lionets, lionise, lobules, luniest, niobite, noblest, oiliest, outlies, outline, outsell, sellout, soluble, stollen, subnote, subtone, sunbelt, unbelts, unblest, unbolts, unilobe, unities, utensil, utilise