The word nonflavoured 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 nonflavoured
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Seven Letter Word Alert: (30 words)
favored, flavedo, flavone, flavour, flooder, floored, floured, fondler, founder, foveola, funeral, launder, louvred, nanorod, nodular, nondeaf, nonlead, nonlove, nonreal, odorful, onefold, ovenful, reflood, refound, roundel, unladen, unlearn, unloved, unravel, unvaned