The word demodulates 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: (39 words)
amulets, auletes, deadest, delated, delates, deleads, delouse, deludes, demated, demates, demoted, demotes, elodeas, eluated, eluates, emulate, loudest, maddest, maltose, meddles, medusae, medusal, metaled, modeled, modules, moulded, moulted, muddles, oleates, omelets, outlead, saluted, sauteed, sedated, smelted, steamed, sudated, toddles, tousled