The word exteroceptors 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: 26
Highest Scoring Words With Friends™ Play In The Letters exteroceptors
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Seven Letter Word Alert: (54 words)
cotters, creeper, erecter, erector, excepts, excerpt, excrete, expects, experts, exports, exposer, extorts, pectose, poorest, porters, potters, presort, pretest, pretext, proctor, protect, protest, rectors, reerect, reports, reposer, reroots, rescope, rescore, respect, restore, retorts, retrees, rooster, rooters, rosette, rotters, scepter, sceptre, scooper, scooter, secrete, specter, spectre, spotter, steeper, steerer, stooper, teeters, texters, tooters, torpors, treetop, trooper