downbear vs mitigate

downbear

verb
  • To lessen; reduce. 

  • To bear or press down (on); press upon; depress; subdue. 

  • To bear, bring or carry down. 

mitigate

verb
  • To reduce, lessen, or decrease; to make less severe or easier to bear. 

  • To downplay. 

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