The word glycoprotein 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: 24
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (64 words)
clinger, cloying, cologne, control, cooling, cooping, copilot, copying, coreign, cornily, coronet, cryogen, ecology, egotrip, eloping, encrypt, entropy, glycine, glyptic, goopier, ineptly, inertly, inocyte, lection, loonier, loopier, looping, looting, nepotic, orogeny, pelting, pingler, pointer, politer, polygon, pooling, porcine, porotic, portico, porting, portion, potency, precool, preying, progeny, proline, prolong, pronely, prootic, protein, pyloric, relying, repilot, repoint, retinol, retying, ringlet, rooting, tingler, tooling, topline, trilogy, tripole, yelping