The word monetisations 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™ Plays In The Letters monetisations
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Seven Letter Word Alert: (70 words)
amnions, animist, animose, anoints, asinine, atomise, emotion, imitate, inmates, inosine, inosite, inseams, instant, instate, intents, intones, ionises, ionones, mansion, meiosis, mention, miniate, minions, misseat, mission, mitiest, mitoses, mitosis, mittens, moisten, montane, motions, mottoes, nations, noisome, nonmate, nonmeat, noseans, nosiest, notions, notists, osteoma, osteons, ottoman, seamost, seitans, sestina, siennas, simians, smitten, somites, somonis, sonnets, soonest, stamens, statins, station, statism, stetson, stimies, stomate, stomies, tannest, taoists, tenants, tension, tiniest, tomatos, toonies, tootsie