The word blasphemers 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 blasphemers
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Seven Letter Word Alert: (59 words)
amblers, amperes, armless, asperse, bashers, besmear, blamers, blesser, braless, earless, elapses, embases, empress, hampers, hapless, healers, heapers, hearses, helpers, herbals, lashers, leapers, leasers, leashes, mapless, marbles, marshes, mashers, measles, meshers, phrases, plasher, plashes, pleaser, pleases, presale, rambles, rebales, rebases, reblame, rebless, reheaps, relapse, repeals, resales, reseals, reshape, sampler, samples, sealers, seamers, serapes, seraphs, shamble, shapers, sherpas, slasher, smasher, spheres