The word liberalness 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: 17
Highest Scoring Words With Friends™ Plays In The Letters liberalness
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Seven Letter Word Alert: (43 words)
abseils, airless, baleens, beanies, bellies, blesser, braille, braises, braless, earless, enabler, enables, enseals, ensears, illness, labeler, leaners, leasers, lesbian, libeler, liberal, nailers, rallies, realise, rebales, rebases, rebells, rebills, rebless, relabel, relines, renails, resails, resales, reseals, resells, ribless, sailers, salines, sealers, sellers, serials, silanes