The word amberfishes 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: 22
Highest Scoring Words With Friends™ Plays In The Letters amberfishes
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Seven Letter Word Alert: (30 words)
ambries, bashers, bearish, beerish, bemires, besmear, braises, embases, faeries, fishers, freesia, frisbee, hearses, heifers, heiress, marshes, mashers, meshers, meshier, messiah, messier, mishear, rebases, reshims, seamers, seamier, seriema, sherifs, siamese, smasher