The word unconnectedness 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: 27
Highest Scoring Words With Friends™ Play In The Letters unconnectedness
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Seven Letter Word Alert: (42 words)
cenotes, cestode, concede, concuss, conduce, conduct, connect, consent, contend, counted, decenes, decocts, denotes, densest, descent, detunes, encodes, endnote, escudos, essence, noncute, nonenes, nutseed, octenes, oneness, outsees, scented, sconced, sconces, scouted, secedes, seconds, seduces, snouted, sonnets, stenose, stuccos, stunned, succeed, tendons, undents, unnoted