The word phenazopyridine 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: 37
Highest Scoring Words With Friends™ Play In The Letters phenazopyridine
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Seven Letter Word Alert: (69 words)
adenine, adonize, airpipe, andiron, aneroid, annoyed, annoyer, anodize, anodyne, apprize, deanery, denarii, denizen, diazene, diazine, dienyne, dippier, diynone, doyenne, enzoned, eyedrop, hairpin, handier, happier, hayride, headier, headpin, hennaed, heparin, heroine, heroize, honeyed, hypnoid, iodizer, ionized, ionizer, nephron, nippier, nondeep, nondrip, nonpaid, operand, papered, phonier, phrenzy, piazine, pinhead, pioneer, popeyed, prepaid, prepend, propane, propene, propine, propyne, reannoy, rehoned, repayed, repined, repiped, rezoned, rhizine, rhizoid, ripened, yearend, yearned, zappier, zedoary, zippier