The word patternmaker 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: 23
Highest Scoring Words With Friends™ Play In The Letters patternmaker
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Seven Letter Word Alert: (31 words)
aptamer, earmark, emanate, entreat, manatee, mantrap, meerkat, narrate, partake, partner, pattern, pranker, premake, preterm, rampant, rampart, rattrap, remaker, retaken, retaker, retreat, tapeman, tapemen, taperer, tartpan, tempera, tempter, ternate, terrane, tramper, treater