The word oropharynxes 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: 27
Highest Scoring Words With Friends™ Play In The Letters oropharynxes
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Seven Letter Word Alert: (26 words)
harpers, harpoon, hoarser, hoaxers, honorer, hoorays, hyraxes, onshore, operons, orphans, persona, pharynx, phoneys, phraser, phrensy, prayers, pyrones, rehonor, reprays, respray, saxhorn, sharpen, sharper, snooper, soprano, sprayer