The word lepidoptery 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: 21
Highest Scoring Words With Friends™ Play In The Letters lepidoptery
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Seven Letter Word Alert: (44 words)
deplore, diopter, dioptre, doppler, droplet, epidote, epipole, epitope, eyedrop, peopled, peptide, peridot, periled, perlite, petiole, piloted, politer, popeyed, preedit, preplot, pretype, redpole, reoiled, repiled, repilot, repiped, replied, reptile, retiled, retyped, rippled, ripplet, tepider, tepidly, tippled, tippler, tiredly, toppled, tripled, tripole, tripped, yielder, yodeler, yperite