confirm vs prove

confirm

verb
  • To assure the accuracy of previous statements. 

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

  • To strengthen; to make firm or resolute. 

prove

verb
  • To ascertain or establish the genuineness or validity of; to verify. 

  • To demonstrate that something is true or viable; to give proof for. 

  • To put to the test, to make trial of. 

  • To determine by experiment which effects a substance causes when ingested. 

  • simple past tense of proove 

  • To turn out; to manifest. 

  • To turn out to be. 

noun
  • The process of dough proofing. 

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