The word ecclesiastical 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: 21
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (39 words)
accites, aliases, ascetic, ascites, atlases, calcite, calicle, caseate, castile, castles, catcall, cellist, ciliate, classic, clastic, clitics, easiest, elastic, elicits, iceless, icicles, illites, italics, laciest, lactase, lacteal, laicise, liaises, saccate, sciatic, scillas, selects, silicas, silicle, tallies, tealess, teasels, tellies, tieless