The word ignoramuses 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: 18
Highest Scoring Words With Friends™ Play In The Letters ignoramuses
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Seven Letter Word Alert: (87 words)
agonies, agonise, agonism, airguns, amusing, animose, anomers, arenium, arouses, assumer, egoisms, enamors, enamour, engross, enigmas, erasing, gainers, gaseous, gassier, grouses, guineas, igneous, ignores, imagers, imagoes, ingress, inseams, insures, ironage, isogram, isomers, mangers, mangier, mangoes, manures, margins, marines, masseur, massing, messing, minuses, mirages, misuser, moaners, mongers, moraine, morgues, mossier, mossing, mousers, mousier, mousing, mungers, musings, neuroma, oarsmen, oranges, ransoms, reaming, reasons, regains, regions, remains, resigns, reusing, roaming, romaine, rousing, seaming, searing, seminar, seniors, serious, sermons, signers, signora, signors, singers, sirname, soaring, souring, sringas, sunrise, surgeon, surmise, surname, urnmoss