The word cracklewares 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: 26
Highest Scoring Words With Friends™ Plays In The Letters cracklewares
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Seven Letter Word Alert: (32 words)
cackler, cackles, careers, cereals, clawers, clearer, cracker, crackle, crakers, crawler, creaser, crewels, leakers, racecar, rackers, reakers, realers, reawake, recrawl, relaces, reracks, rescale, reswear, rewalks, scarcer, sclerae, screwer, slacker, swearer, walkers, wearers, wrecker