The word noctambulation 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 noctambulation
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Seven Letter Word Alert: (44 words)
aboulia, aboulic, abuttal, albumin, alicant, alumina, ambiant, antlion, auction, automat, bailout, blatant, boatman, botanic, botulin, butanol, cambial, cannoli, cannolo, cannula, catboat, catmint, cattail, caution, coalbin, coalman, coatman, contain, coolant, coulomb, lunatic, moonlit, nanobot, nautica, nominal, noncola, nonmail, octoban, ottoman, tabooli, tactual, tobiano, toolman, unction