The word expurgation 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: 25
Highest Scoring Words With Friends™ Play In The Letters expurgation
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Seven Letter Word Alert: (46 words)
apexing, egotrip, eutaxon, gaunter, goutier, granite, groupie, gunport, ingrate, ironage, operant, orating, otarine, outearn, outgain, outgrin, outrage, painter, parting, pertain, petunia, pointer, portage, porting, pouring, poutier, poutine, pouting, prating, pronate, protean, protein, puritan, rainout, reaping, reinput, repaint, repoint, routine, routing, tangier, tearing, touring, triaxon, urinate, utopian