The word septectomies 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: 21
Highest Scoring Words With Friends™ Plays In The Letters septectomies
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Seven Letter Word Alert: (33 words)
cesspit, coesite, compete, cosiest, emetics, empties, episome, epitome, esteems, imposes, itemset, meioses, misstep, mitoses, mopiest, oecists, pectose, petites, poesies, poetess, poetics, poetise, potties, septets, septics, settees, sitcoms, somites, species, stomies, tempest, tipmost, tiptoes