The word amenorrhoeas 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 amenorrhoeas
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Seven Letter Word Alert: (33 words)
anomers, arsheen, earners, enamors, hearers, hoarser, honoree, honorer, hormone, maroons, menorah, moaners, moorhen, oarsman, oarsmen, onshore, reamers, rearose, reharms, rehears, rehomes, rehones, rehonor, remorse, renames, reshare, reshore, roamers, roomers, searoom, shearer, smearer, someone