The word agamogenesis 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: 20
Highest Scoring Words With Friends™ Play In The Letters agamogenesis
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Seven Letter Word Alert: (33 words)
agnosia, agonies, agonise, agonism, amnesia, angioma, animose, egoisms, engages, enigmas, gassing, genesis, genomes, imagoes, inseams, manages, mangoes, massage, massing, meanies, meioses, menages, message, messing, mossing, nemesis, sangoma, seaming, seeming, siamese, siemens, signage, signees