The word disaccording 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: 23
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (46 words)
accords, adoring, agnosic, airings, android, angioid, arising, candors, carding, codding, codings, cognacs, conidia, corands, cording, cricoid, crinoid, diacids, discard, discoid, discord, disdain, disodic, donairs, dragons, incisor, indigos, inroads, nicosia, nordics, ordains, organic, origins, raiding, raising, ridding, ridings, rodding, scaring, scoriac, scoring, siccing, signora, soaring, sodding, soricid