The word infringements 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: 24
Highest Scoring Words With Friends™ Play In The Letters infringements
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Seven Letter Word Alert: (73 words)
eminent, engines, entries, feesing, feigner, ferment, figment, fingers, finings, finning, firemen, firings, firmest, firming, freeing, fringes, greisen, igniter, ignites, innings, integer, intense, interim, interns, itemise, meeting, metrise, minters, mintier, minting, misfire, mistier, misting, nesting, niftier, nitrene, reefing, reemits, refines, regents, regimen, regimes, reifies, reining, remiges, remines, remints, rennets, rennins, renting, resting, retimes, rifting, ringmen, rinsing, seeming, segment, sifting, sinning, smiting, snifter, stinger, teeming, tenners, tensing, termini, tiering, timings, tinners, tinnier, tinning, treeing, trienes