The word porcupinefish 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: 29
Highest Scoring Words With Friends™ Play In The Letters porcupinefish
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Seven Letter Word Alert: (92 words)
chipper, chippie, chopper, chouser, ciphers, coheirs, coiners, confers, confuse, conifer, copiers, coppers, crispen, cronies, cuisine, cushier, cushion, eosinic, finches, fishier, focuser, foppish, forceps, furnish, heinous, heroics, heroins, hippies, hoppers, hospice, icefish, inchers, incisor, infuser, infusor, inhouse, inshore, inspire, ioniser, iphones, irenics, ironies, nippers, nippier, noisier, nourish, phonics, phonier, phonies, phrenic, pincers, pincher, pinches, pinfire, pinfish, porches, porcine, pouches, pouncer, pounces, princes, profuse, propine, psionic, puncher, punches, pupfish, purines, purpose, pushier, pushpin, recoins, recoups, refocus, rosehip, sericin, shinier, shipper, shopper, snipper, soppier, soupier, sphenic, spheric, spicier, spinier, unhorse, unifier, unifies, unperch, uprisen, urchins