The word finaglers 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: 16
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (26 words)
aligner, anglers, erasing, fearing, finagle, finales, fingers, flanges, flaring, fragile, fringes, gainers, genials, girnels, leafing, learing, leasing, lingers, nailers, realign, reflags, regains, renails, sealing, searing, slinger