The word pharyngitis 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: 21
Highest Scoring Words With Friends™ Play In The Letters pharyngitis
:
Seven Letter Word Alert: (45 words)
airings, airship, arising, aspirin, garnish, gastrin, grayish, hairpin, harping, harpist, hatpins, insight, pairing, parings, parsing, parting, pasting, phasing, pianist, piarist, pithing, pitying, prating, praying, pryings, raising, rasping, ratings, shaping, sharing, sparing, spaying, spiring, spiting, spright, springy, staring, staying, stringy, stygian, syringa, tapings, tarnish, tigrish, trypsin