The word pyromorphites 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™ Plays In The Letters pyromorphites
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Seven Letter Word Alert: (88 words)
hermits, heroism, hippest, history, homiest, hoppers, horsier, hosiery, imports, imposer, isohyet, isotope, isotype, mistype, moister, moorish, mopiest, moppers, mortise, mothers, oophyte, oosperm, opposer, permits, poopers, poorest, porters, pothers, potpies, presort, primers, primost, promise, promote, prompts, prophet, propose, prosper, pyrites, pyropes, reports, reroots, reshoot, retrims, rhetors, rhymers, rhymist, rioters, rippers, ripstop, roister, rompers, roomers, roomier, rooster, rooters, ropiest, rosehip, shipper, shooter, shopper, shorter, shrimpy, smoothy, smother, soother, sootier, soppier, stomper, stooper, stopper, striper, stripey, strophe, stroppy, thermos, thymier, tippers, toppers, toprims, toprope, torpors, toyshop, tremors, trimers, tripper, trisomy, trooper