The word commercials 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: 24
Highest Scoring Words With Friends™ Plays In The Letters commercials
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Seven Letter Word Alert: (39 words)
calicos, caloric, calorie, celosia, ceramic, circles, claimer, clammer, clamors, clerics, coalers, coalier, coalise, coeliac, comical, eclairs, escolar, immoral, loamier, mailers, maimers, malices, memoirs, miracle, morales, oracles, racemic, realism, reclaim, recoals, recoils, remails, rosalic, scalier, scoriac, scoriae, slammer, slimmer, solacer