contusion vs lesion

contusion

noun
  • Synonym of bruising. 

  • Synonym of bruise. 

lesion

noun
  • A wound or injury. 

  • An infected or otherwise injured or diseased organ or part, especially such on a patch of skin. 

  • Injury or an unfair imbalance in a commutative contract wherein the consideration is less than half of the market value, which then serves as a basis for the injured party to sue to rescind the agreement. 

  • Any compound formed from damage to a nucleic acid. 

verb
  • To wound or injure, especially in an experiment or other controlled procedure. 

How often have the words contusion and lesion occurred in a corpus of books? (source: Google Ngram Viewer )