The word tracheophyte 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: 24
Highest Scoring Words With Friends™ Plays In The Letters tracheophyte
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Seven Letter Word Alert: (38 words)
apocyte, atrophy, cattery, chapter, chatter, cheaper, cheater, cheetah, ecotype, eophyte, eparchy, hatchet, heather, hectare, operate, pectate, poacher, pottery, preachy, precoat, preheat, protect, ratchet, recheat, repatch, reteach, teacher, thearch, theater, theatre, therapy, thereat, thereto, throaty, toparch, treetop, trochee, yachter