The word fumigations 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 fumigations
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Seven Letter Word Alert: (28 words)
agonism, agonist, agoutis, amongst, amounts, amusing, animist, fanouts, fasting, faunist, foaming, fustian, gnomist, matings, misting, moating, mousing, mustang, ousting, outgain, outings, outmans, outsang, sifting, smiting, suiting, timings, tsunami