The word hospitalizes 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: 27
Highest Scoring Words With Friends™ Play In The Letters hospitalizes
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Seven Letter Word Alert: (46 words)
aplites, apostle, ashiest, azotise, halites, hapless, haplite, hatless, haziest, holiest, hoplite, hostels, hostile, iolites, iotizes, isohels, isolate, laziest, liaises, lipases, loathes, oiliest, opalize, opiates, palsies, pastels, pasties, pilates, pistils, pistols, pitless, plashes, postils, sophtas, staples, taphole, teashop, tipless, topazes, topless, topsail, zaptieh, zealots, zipless, zipties, zoisite