The word dropkickers is playable in Words With Friends™, but 1 blank substituting for the letter 'k' is 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: 21
Highest Scoring Words With Friends™ Play In The Letters dropkickers
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Seven Letter Word Alert: (25 words)
ceroids, copiers, corkers, crisped, crisper, crosier, derrick, dockers, dockise, dorkier, kickers, periods, pickers, porkers, porkier, porkies, pricers, pricked, pricker, records, recorks, redocks, ripcord, rockers, rockier