atrophy vs confirm

atrophy

noun
  • A reduction in the functionality of an organ caused by disease, injury or lack of use. 

verb
  • To cause to waste away or become abortive; to starve or weaken. 

  • To wither or waste away. 

confirm

verb
  • To administer the sacrament of confirmation on (someone). 

  • To assure the accuracy of previous statements. 

  • To strengthen; to make firm or resolute. 

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