The word ecclesiastics is playable in Words With Friends™, but 1 blank substituting for the letter 'c' is 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: 19
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (31 words)
accites, ascetic, ascites, calcite, castile, castles, ciliate, classes, classic, clastic, clitics, easiest, elastic, elicits, iceless, icicles, italics, laciest, laicise, lassies, liaises, sacless, sciatic, selects, sessile, siestas, silicas, tassels, tealess, teasels, tieless