disburse vs maintain

disburse

verb
  • To pay out, expend; usually from a public fund or treasury. 

maintain

verb
  • To declare or affirm (a clause) to be true; to assert. 

  • To keep up; to preserve; to uphold (a state, condition etc.). 

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