The word interloped 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 interloped
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Seven Letter Word Alert: (45 words)
deplore, diopter, dioptre, droplet, eloined, epidote, inepter, lenited, penlite, pentode, peridot, periled, perlite, petiole, piloted, pioneer, pointed, pointer, politer, portend, preedit, prenote, pretend, printed, proline, protein, redline, redpole, relined, reoiled, repiled, repilot, repined, replied, repoint, reptile, retiled, retinol, ripened, tendril, tepider, terpine, topline, tripled, tripole