The word disbandment 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: 21
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (31 words)
abidden, ambient, baddest, bandits, batsmen, bedamns, bestman, dandies, demands, dentins, destain, detains, diadems, disband, distend, indents, inmates, instead, intends, maddens, maddest, maidens, medians, middens, mindset, misdate, sainted, sandmen, sideman, stained, tandems