The word polemicists 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: 21
Highest Scoring Words With Friends™ Play In The Letters polemicists
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Seven Letter Word Alert: (49 words)
cesspit, closest, closets, colitis, compels, compile, cosiest, elicits, elitism, implies, imposes, iolites, limpest, limpets, meiosis, meiotic, miscite, missile, misstep, mitoses, mitosis, molests, mopiest, oecists, oiliest, ossicle, pelitic, pietism, pistils, pistols, pitless, poetics, polemic, polices, politic, postils, seismic, septics, similes, simples, sitcoms, solicit, somites, somitic, splices, stimies, stomies, tipless, topless