The word hemodialysis 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™ Play In The Letters hemodialysis
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Seven Letter Word Alert: (46 words)
aidless, aimless, aldoses, amyloid, dailies, daisies, damsels, dayless, dialyse, dismals, dismays, doilies, eomyids, halides, holiday, hyaloid, idolise, iodises, iodisms, isohels, ladyish, lassoed, liaised, liaises, meiosis, messiah, messily, misdeal, misdial, misdoes, mislaid, mislays, mislead, missaid, missile, myeloid, samoyed, shadily, shields, shoaled, similes, slashed, sloshed, smashed, smileys, someday