The word putrefactive 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: 26
Highest Scoring Words With Friends™ Play In The Letters putrefactive
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Seven Letter Word Alert: (29 words)
activer, captive, capture, cattier, citrate, cuprite, curette, cutrate, epicure, epurate, evitate, fattier, feature, furcate, furtive, iterate, peatier, pectate, perfect, pettier, picrate, picture, preface, prefect, private, puttier, receipt, tipcart, tuftier