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contusion vs. abrasion

[kuhn-too-zhuhn, -tyoo-] / kənˈtu ʒən, -ˈtyu- /

noun

  1. an injury, as from a blow with a blunt instrument, in which the subsurface tissue is injured but the skin is not broken; bruise.

[uh-brey-zhuhn] / əˈbreɪ ʒən /

noun

  1. a scraped spot or area; the result of rubbing or abrading.

    abrasions on his leg caused by falling on the gravel.

    Synonyms:
    lesion, scrape, sore
  2. the act or process of abrading.

    Synonyms:
    erosion, rubbing