The word angiosperm 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: 19
Highest Scoring Words With Friends™ Play In The Letters angiosperm
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Seven Letter Word Alert: (63 words)
agonies, agonise, agonism, animose, anomers, enamors, engrasp, enigmas, epigram, erasing, gainers, gaspier, geomaps, ignores, imagers, imagoes, imposer, ironage, isogram, magpies, mangers, mangier, mangoes, margins, marines, mirages, mispage, moaners, mongers, moraine, oarsmen, oranges, parings, parsing, perming, persona, pigeons, pingers, pingoes, primase, promise, rasping, reaming, reaping, regains, regions, remains, repoman, roaming, romaine, romping, ropeman, seaming, searing, seminar, signora, sirname, soapier, soaping, soaring, sparing, sponger, sporing