The word proprioceptive is playable in Words With Friends™, but 1 blank substituting for the letter 'p' is 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™ Plays In The Letters proprioceptive
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Seven Letter Word Alert: (34 words)
coterie, coverer, coveter, cropper, epitope, erector, evictor, overtip, overtop, peppier, percept, pervert, picrite, piercer, pivoter, popover, porotic, portico, precept, pricier, proctor, prootic, receipt, reciter, recover, repivot, reprice, reprove, revoice, riveter, tippier, toprope, tripper, trooper