The word trabeculate 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: 19
Highest Scoring Words With Friends™ Play In The Letters trabeculate
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Seven Letter Word Alert: (27 words)
abettal, abetter, abreact, abuttal, abutter, acerate, acetate, actable, actuate, arcuate, battler, bleater, cabaret, clatter, clutter, curable, curette, cutrate, eatable, lactate, lecture, lettuce, tableau, tabular, tactual, teacart, treacle