The word conceitedness 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: 22
Highest Scoring Words With Friends™ Play In The Letters conceitedness
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Seven Letter Word Alert: (65 words)
cenotes, cession, cestode, ciscoes, codeine, codices, coedits, coesite, concede, conceit, concise, connect, consent, consist, contend, cosiest, cosines, deceits, decenes, decocts, denoise, denotes, densest, dentine, dentins, descent, destine, diocese, dissect, dissent, encodes, endnote, enticed, entices, essence, incense, incests, indents, insects, intends, intense, intoned, intones, nondiet, nosiest, noticed, notices, octenes, oecists, oneness, scented, science, sconced, sconces, secedes, seconds, section, seitens, sestine, snidest, sonnets, stenose, tendons, tension, tocsins