The word hatcheries 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: 17
Highest Scoring Words With Friends™ Play In The Letters hatcheries
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Seven Letter Word Alert: (38 words)
achiest, aeriest, aitches, atheise, cashier, cerates, chaster, cheater, cheetah, cherish, cithers, creates, cristae, etchers, etheric, hastier, hatches, hearths, heaters, heather, hectare, heretic, hitcher, hitches, raciest, reaches, recheat, recites, reheats, retches, reteach, richest, seriate, sheathe, teacher, teaches, techies, thearch