The word agglutinated 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™ Plays In The Letters agglutinated
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Seven Letter Word Alert: (44 words)
adulate, agatine, agitate, aligned, attuned, dealign, dealing, diluent, dueling, elating, eluding, eluting, ganglia, gauding, gaunted, gelatin, gelding, genital, getting, glinted, glueing, glutted, guidage, guilted, gutting, indulge, languid, lauding, leading, ledging, letting, ligated, lunated, tagline, tailgun, tainted, tangled, taunted, tauting, tingled, unagile, undealt, unideal, untiled