The word unsaponified 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: 22
Highest Scoring Words With Friends™ Plays In The Letters unsaponified
:
Seven Letter Word Alert: (28 words)
adipose, adonise, anodise, asinine, fadeins, fondues, funnies, indians, infused, inosine, inuendo, iodines, ionised, nondeaf, nonpaid, pension, pinions, saponin, snafued, spanned, spinode, spionid, undines, unified, unifies, unipeds, unipods, unposed