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View synonyms for canker sore

canker sore

noun

, Pathology.
  1. an ulceration of a mucous membrane, especially of the mouth.


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Word History and Origins

Origin of canker sore1

First recorded in 1905–10

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Compare Meanings

How does canker sore compare to similar and commonly confused words? Explore the most common comparisons:

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cankerrootcankerworm