The word renouncements 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: 23
Highest Scoring Words With Friends™ Play In The Letters renouncements
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Seven Letter Word Alert: (56 words)
cements, cenotes, censure, centers, centres, cerumen, consent, consume, cornets, costume, counter, cumenes, emoters, encores, encrust, entrees, estrone, meeters, mentors, meronts, meteors, monster, mounter, muscone, necrose, neurons, neuters, neutron, noncute, nonenes, nonmute, nonuser, nostrum, octenes, recount, rectums, remeets, remotes, remount, rennets, retunes, ruesome, scenter, scouter, scrotum, secrete, sternum, stunner, teemers, tenners, tenures, tonsure, trounce, tumesce, unerect, unreset