The word discordance 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™ Play In The Letters
Seven Letter Word Alert: (63 words)
accords, acnodes, adenoid, adonise, adorned, android, aneroid, anodise, arcsine, arsenic, caddies, cairned, cancers, candied, candies, candors, canoers, carnies, ceroids, cinders, coarsen, cocaine, codices, coiners, concise, corands, corneas, cornice, cronies, dancers, danders, dandier, dandies, deacons, decadic, deodars, discard, discern, discord, donairs, drained, incased, indorse, inroads, nodders, nordics, oceanic, ordains, radices, radioed, recoins, rescind, roadies, rosined, sandier, sarcode, sardine, sconced, scoriac, scoriae, scorned, sidecar, soddier