The word transferable 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 transferable
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Seven Letter Word Alert: (78 words)
abaters, ablates, abraser, abreast, aerates, alerter, antlers, arblast, arsenal, baleens, banaler, banters, barrels, barrens, barters, bearers, beaters, belfast, berates, blaster, bleater, earners, earnest, eastern, eatable, elaters, enabler, enables, enteral, errants, eternal, falters, fanbase, fanbelt, ferrets, flenser, fraters, lateens, leaners, leanest, learner, nabales, narrate, nearest, rafters, ranters, realers, realest, realter, rebales, rebater, rebates, reblast, reblent, reflate, refrets, relater, relates, relearn, relents, rentals, renters, rerents, reslant, retears, saltern, sealant, serrate, snarler, stabler, stealer, sterane, sternal, sterner, tearers, tenable, terrane, trebles