The word monetisation 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: 17
Highest Scoring Words With Friends™ Plays In The Letters monetisation
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Seven Letter Word Alert: (43 words)
amnions, animist, animose, anoints, asinine, atomise, emotion, imitate, inmates, inosine, inosite, instant, instate, intents, intones, ionones, mansion, mention, miniate, minions, mitiest, mittens, moisten, montane, motions, mottoes, nations, noisome, nonmate, nonmeat, notions, osteoma, ottoman, smitten, station, stomate, tannest, tenants, tension, tiniest, tomatos, toonies, tootsie