The word rhodolites 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: 14
Highest Scoring Words With Friends™ Play In The Letters rhodolites
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Seven Letter Word Alert: (41 words)
dehorts, disroot, dithers, doltish, editors, estriol, hoisted, holders, holiest, holster, hostile, hostler, hotrods, loiters, looters, oolites, ooliths, orioles, osteoid, reshoot, retools, roisted, roosted, shirted, shooter, shorted, slither, soldier, soothed, soother, sootier, sortied, steroid, stooled, stoolie, storied, tierods, toehold, toilers, toolers, toroids