elevate vs feather one's nest

elevate

verb
  • To make (something or someone) more worthy or of greater value. 

  • To raise (something) to a higher position. 

  • To direct (the mind, thoughts, etc.) toward more worthy things. 

  • To confer honor or nobility on (someone). 

  • To promote (someone) to a higher rank. 

  • To increase the intensity or degree of (something). 

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 elevate and feather one's nest occurred in a corpus of books? (source: Google Ngram Viewer )