confirm vs vacate

confirm

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

  • To assure the accuracy of previous statements. 

  • To strengthen; to make firm or resolute. 

vacate

verb
  • To have a court judgement set aside; to annul. 

  • To leave an area, usually as a result of orders from public authorities in the event of a riot or natural disaster. 

  • To leave an office or position. 

  • To move out of a dwelling, either by choice or by eviction. 

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