The word triggerfishes 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™ Play In The Letters triggerfishes
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Seven Letter Word Alert: (48 words)
eggiest, eighter, ferrets, ferries, ferrite, festers, fierier, fighter, fishers, fishier, freight, fresher, frights, grister, hefters, heftier, heifers, heiress, hessite, hissier, refires, refresh, refrets, refries, regress, regrets, rehires, reifier, reifies, reshift, resifts, resight, resters, restirs, retires, retries, riggers, righter, sherifs, shifter, shrifts, sifters, sighers, sighter, strifes, tigress, tigrish, trigger