The word rhinoscopes 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: 20
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (63 words)
censors, cession, chooser, chooses, chorion, ciphers, coheirs, coiners, copiers, corpses, cosines, crispen, cronies, erosion, hencoop, heroics, heroins, hipness, hosiers, hospice, inchers, inshore, iphones, noosers, oncosis, onshore, operons, persons, phonics, phonier, phonies, phrenic, pincers, pincher, pinches, poisons, ponchos, pooches, porches, porcine, poroses, porosis, princes, prisons, process, recoins, reships, respins, rosehip, scooper, scorpio, seniors, shiners, shrines, siphons, snipers, snooper, sooners, sphenic, spheric, spicers, spinose, sponsor