The word parachutists 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 parachutists
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Seven Letter Word Alert: (37 words)
acutish, aphasic, artists, aupairs, autarch, autists, casspir, catsups, haircap, haircut, haptics, harpist, pariahs, prussic, purists, racists, rapists, raspish, rattish, rupiahs, rustics, satraps, scripts, spastic, startup, statics, straits, stratas, stratus, tartish, thirsts, thrusts, tipcart, tipcats, tsarist, upstair, upstart