The word harmonisations 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™ Play In The Letters harmonisations
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Seven Letter Word Alert: (53 words)
airmass, amnions, amritas, animist, anoints, arshins, artisan, artsman, atonias, instars, introns, ironman, mannish, mansion, mantras, marinas, maroons, martian, martini, martins, matrons, minions, mission, missort, mitosis, monitor, moorish, motions, nations, nonarts, nonriot, notions, oarsman, oration, rainhat, raisins, ransoms, rations, shamans, simians, smooths, somonis, sonatas, stamina, stonish, strains, stroams, tarnish, thiamin, tinhorn, torsion, tsarina, tsarism