aggrandize vs feather one's nest

aggrandize

verb
  • To make great or greater in power, rank, honor, or wealth (applied to persons, countries, etc.). 

  • To make appear great or greater; to exalt. 

  • To make great; to enlarge; to increase. 

  • To increase or become great. 

feather one's nest

verb
  • To achieve benefits, especially financial ones, by taking advantage of the opportunities with which one is presented; to amass a comfortable amount of personal wealth. 

How often have the words aggrandize and feather one's nest occurred in a corpus of books? (source: Google Ngram Viewer )