The word tenderiser 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: 12
Highest Scoring Words With Friends™ Play In The Letters tenderiser
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Seven Letter Word Alert: (49 words)
deniers, dernier, derries, desirer, destine, diester, dieters, eeriest, entered, enterer, entrees, entries, inerter, needers, needier, nerdier, redries, reedier, reedits, reenter, reested, reinter, renders, renters, rerents, rerinse, resider, retired, retiree, retires, retreed, retrees, retried, retries, seedier, serener, sneered, sneerer, steered, steerer, sterned, sterner, stirred, strider, teenier, tenders, tinders, tireder, trienes