The word stigmatisation 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™ Plays In The Letters stigmatisation
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Seven Letter Word Alert: (38 words)
against, agnosia, agonism, agonist, amongst, angioma, animist, atonias, attains, gnomist, massing, matings, matting, missing, mission, misting, mitosis, moating, mossing, notists, sangoma, simians, sitting, smiting, sonatas, stamina, stating, statins, station, statism, statist, stigmas, stomata, taoists, tasting, timings, tomtits, tossing