The word chordophones 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: 24
Highest Scoring Words With Friends™ Play In The Letters chordophones
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Seven Letter Word Alert: (27 words)
chooser, condors, cordons, crooned, dehorns, hencoop, honored, onshore, oophore, ooscope, oospore, opcodes, operons, ponchos, ponders, pooched, pooches, porched, porches, respond, scooped, scooper, scorned, snooped, snooper, spooned, spoored