disannul vs vacate

disannul

verb
  • To annul, do away with; to cancel. 

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 disannul and vacate occurred in a corpus of books? (source: Google Ngram Viewer )