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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
Inherited from Middle English roten, rotten, from Old English rotian (“to rot, become corrupted, ulcerate, putrefy”), from Proto-West Germanic *rotēn, from Proto-Germanic *rutāną (“to rot”).
putrefaction
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tap / space
Classic usage
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