The word polychaetes 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: 22
Highest Scoring Words With Friends™ Play In The Letters polychaetes
:
Seven Letter Word Alert: (50 words)
acetyls, acolyte, alecost, apocyte, apostle, calypso, caplets, chalets, chapels, chaplet, cheaply, cheapos, chelate, cholate, clothes, cotylae, cotyles, cotypes, cypsela, ecotype, ectypes, eophyte, epochal, eyelash, eyeshot, eyespot, heeltap, heptose, lactose, latches, leaches, loathes, locates, lychees, oleates, patches, peaches, pectose, poaches, polecat, satchel, shapely, splatch, splotch, spyhole, steeply, taphole, teaches, teashop, toecaps