The word thyroidectomy 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™ Play In The Letters thyroidectomy
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Seven Letter Word Alert: (22 words)
choroid, chromed, chytrid, deciohm, demotic, ditcher, dormice, dottier, ethmoid, moocher, moodier, motored, myocyte, omitted, omitter, thermic, thorite, thymier, thyroid, timothy, toothed, torched