The word harmonisation 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: (36 words)
amnions, amritas, animist, anoints, artisan, artsman, atonias, introns, ironman, mannish, mansion, mantras, marinas, maroons, martian, martini, martins, matrons, minions, monitor, moorish, motions, nations, nonarts, nonriot, notions, oarsman, oration, rainhat, rations, stamina, tarnish, thiamin, tinhorn, torsion, tsarina