The word chlorenchyma 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: 29
Highest Scoring Words With Friends™ Plays In The Letters chlorenchyma
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Seven Letter Word Alert: (27 words)
acronym, alchemy, almoner, anymore, armhole, caconym, chancel, chancre, cholera, chorale, chroman, chromel, chyloma, coalmen, cochlea, conceal, corneal, cyclane, cyclone, halcyon, harmony, larceny, lyncher, manhole, menorah, monarch, romance