The word trypsinogen 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 trypsinogen
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Seven Letter Word Alert: (62 words)
egotrip, entropy, goiters, goitres, goriest, ignores, interns, intoner, intones, introns, isotype, nesting, norites, opening, orients, pension, pigeons, pingers, pingoes, pointer, pontine, porting, postern, posting, preying, progeny, pronest, protein, pryings, pterins, pyrites, pyrones, regions, renting, repoint, resting, retying, ropiest, snoring, sorting, spinner, spinnet, spinney, sponger, spongin, sporing, springy, stinger, stonier, stoning, storing, stringy, stripey, syntone, syringe, tenpins, tensing, tension, tinners, triones, triynes, trypsin