fund vs line one's pockets

fund

verb
  • To pay or provide money for. 

  • To form a debt into a stock charged with interest. 

  • To place (money) in a fund. 

noun
  • A sum or source of money. 

  • An organization managing such money. 

  • A large supply of something to be drawn upon. 

  • A money-management operation, such as a mutual fund. 

line one's pockets

verb
  • To accumulate personal wealth, especially in an illegal or morally objectionable manner. 

How often have the words fund and line one's pockets occurred in a corpus of books? (source: Google Ngram Viewer )