The word noctambulism 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: 27
Highest Scoring Words With Friends™ Plays In The Letters noctambulism
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Seven Letter Word Alert: (53 words)
aboulic, actions, albinos, albumin, ammonic, amounts, atomics, atomism, atonics, auction, bailout, bastion, blastic, botanic, botulin, bucinas, butanol, cambist, cambium, cations, caution, coalbin, cobalts, cobnuts, columns, combats, combust, commits, consult, cultism, lunatic, masonic, moulins, mucosal, musical, obtains, oculist, oilcans, omnibus, outmans, outsail, sanctum, solanum, somatic, stoical, suction, toucans, tsunami, unbaits, unbolts, unclots, uncoils, unstoic