The word termagants 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: 16
Highest Scoring Words With Friends™ Play In The Letters termagants
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Seven Letter Word Alert: (28 words)
argents, artsman, artsmen, eartags, garment, garnets, gateman, magenta, magnate, magnets, manager, manages, mangers, mantras, margate, martens, matters, nametag, natters, regatta, smarten, smatter, strange, tanager, tangram, targets, tartans, teargas