The word dishwaters 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: 16
Highest Scoring Words With Friends™ Play In The Letters dishwaters
:
Seven Letter Word Alert: (43 words)
aridest, ashiest, astride, dashers, dearths, disrate, dithers, hardest, hastier, hatreds, rashest, rawhide, rethaws, satires, shaders, shadier, shirted, stashed, steward, strawed, strides, swashed, swasher, swathed, swathes, swished, swisher, threads, tirades, trashed, trashes, waisted, waiters, wariest, washers, wasters, wearish, wishers, withers, wraiths, wreaths, writhed, writhes