The word rodomontades 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: 18
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (61 words)
adorned, anomers, artsmen, atoners, daemons, damners, danders, demands, deodars, desnood, donated, donates, doorman, doormat, doormen, dormant, dotards, enamors, endmost, maddens, madders, maddest, maestro, maroons, martens, matrons, mentors, meronts, moaners, moderns, monster, mordant, mordent, motored, nodders, oarsmen, odorant, osteoma, radomes, randoms, remands, roadmen, roasted, rodents, roosted, searoom, senator, smarted, smarten, snooded, snooted, snorted, stander, stardom, stormed, tandems, tearoom, tonearm, tornado, treason, trodden