The word reassessing 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: 14
Highest Scoring Words With Friends™ Plays In The Letters reassessing
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Seven Letter Word Alert: (21 words)
assigns, enrages, ensears, erasing, gainers, gassers, gassier, genesis, grasses, greases, greisen, ingress, regains, resigns, sassier, sassing, searing, signees, signers, singers, sringas