The word dichotomizes 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: 30
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (40 words)
chemist, coedits, comedos, cooties, coziest, deciohm, deistic, demotic, diciest, dietics, ditches, doozies, dotcoms, doziest, ethmoid, hoisted, homiest, iodites, iodizes, iotized, iotizes, meiotic, methods, midsize, miscite, miscode, misedit, mooches, moschid, ooziest, osmotic, osteoid, scooted, shmooze, sodomic, somitic, soothed, stimied, zoisite, zootics