The word exteriorising 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: 23
Highest Scoring Words With Friends™ Play In The Letters exteriorising
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Seven Letter Word Alert: (55 words)
entries, erotise, estrone, exigent, exiting, exogens, girners, gitoxin, goiters, goitres, goriest, greisen, grister, igniter, ignites, ignitor, ignores, inerter, inosite, integer, ioniser, ironers, ironies, negroes, noisier, norites, orients, origins, regents, regions, regrets, reigner, reinter, renters, rerents, rerinse, resting, restore, retires, retries, ringers, rioters, rioting, roister, sixteen, snorter, sorting, sterner, stinger, stonier, storing, tiering, treeing, trienes, triones