expunge vs uphold

expunge

verb
  • To erase or strike out. 

  • To eliminate completely; to annihilate. 

  • To delete permanently (e-mail etc.) that was previously marked for deletion but still stored. 

uphold

verb
  • To keep erect; to support; to sustain; to keep from falling 

  • To hold up; to lift on high; to elevate. 

  • To support by approval or encouragement, to confirm (something which has been questioned) 

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