The word interoception 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: 21
Highest Scoring Words With Friends™ Play In The Letters interoception
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Seven Letter Word Alert: (45 words)
citrine, cittern, connote, content, contort, cornett, coronet, coterie, enteric, enticer, inciter, inepter, intoner, nepotic, nitrene, nitrite, nittier, nonepic, nonriot, opinion, percent, pettier, picrite, pioneer, pointer, pontine, porcine, porotic, portent, portico, portion, precent, prenote, prootic, protect, protein, receipt, repoint, tentier, terpine, tinnier, tintier, tiptoer, tornote, treetop