The word unpatterned 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 unpatterned
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Seven Letter Word Alert: (37 words)
adepter, attuned, dentate, denture, detuner, entrant, entreat, epurate, erupted, natured, pattern, pendant, pendent, pentane, predate, pretend, prudent, redtape, reputed, retaped, retuned, tapered, taunted, taunter, tenured, ternate, treated, undrape, unearnt, uneaten, unrated, untaped, untread, updater, uprated, uptrend, uttered