The word accessibilities 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: 25
Highest Scoring Words With Friends™ Play In The Letters accessibilities
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Seven Letter Word Alert: (51 words)
abscess, abscise, abseils, accites, albites, albitic, alibies, ascetic, ascites, astilbe, bassets, bassist, biasses, bisects, blastic, blesses, blisses, calcite, castile, castles, ciliate, citable, classes, classic, clastic, clitics, easiest, elastic, elicits, iceless, icicles, ileitis, italics, laciest, laicise, lassies, liaises, libates, sacless, scabies, sciatic, selects, sessile, siestas, silicas, silicic, stables, tassels, tealess, teasels, tieless