The word disproportions 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: 22
Highest Scoring Words With Friends™ Play In The Letters disproportions
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Seven Letter Word Alert: (31 words)
disroot, indoors, isodont, isopods, isospin, opioids, options, pisoids, pisspot, pistons, poisons, porosis, portion, potions, prisons, protons, ripstop, sinoids, spionid, spirits, spiroid, sponsor, sporont, sprints, stridor, topspin, toroids, torpids, torpors, torsion, tripods