The word disillusioned 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: 19
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (36 words)
dildoes, disused, doilies, dollies, elision, elusion, ensouls, idolise, illness, indoles, insides, insoles, inuloid, iodides, iodines, iodised, iodises, ionised, ionises, lesions, lidless, lioness, lionise, noduled, nodules, oddness, oldness, sinoids, soddens, soddies, sounded, suddens, sullied, sullies, undosed, unoiled