The word outbuildings 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 outbuildings
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Seven Letter Word Alert: (44 words)
biotins, bitings, boiling, bolding, bolting, botulin, bousing, budling, busting, dilogun, dousing, dubious, dugouts, dustbin, dusting, goblins, idolist, indigos, inuloid, libidos, listing, lousing, lusting, oligist, ousting, outbids, outbuds, outguns, outings, outsung, sibling, sidling, silting, sliding, soiling, subunit, suiting, tidings, tilings, toiling, tubings, tubulin, unbolts, unbuilt