The word commandeers 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 commandeers
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Seven Letter Word Alert: (63 words)
acerose, acnodes, amender, amerced, amerces, anomers, candors, canoers, careens, coarsen, command, commend, comrade, corands, corneas, crammed, creamed, creased, daemons, damners, dancers, deacons, decamer, decanes, decares, demeans, desmoma, enamors, encased, encoder, encodes, encored, encores, endears, endorse, meander, menaced, menaces, menders, moaners, moderns, necrose, oarsmen, racemed, racemes, radomes, randoms, readmes, reamend, recaned, recanes, recodes, remands, remends, renamed, renames, roadmen, romance, sarcode, scammed, scorned, smarmed, smeared