The word provisioners 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: 20
Highest Scoring Words With Friends™ Play In The Letters provisioners
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Seven Letter Word Alert: (32 words)
erosion, inspire, ioniser, ionises, ironers, ironies, isospin, ivories, noisier, noosers, operons, persons, pissier, poisons, poroses, porosis, prisons, provers, resorps, respins, rinsers, seniors, snipers, snooper, snorers, sooners, spinier, spinose, sponsor, version, virions, visions