espouse vs uphold

espouse

verb
  • To accept, support, or take on as one’s own (an idea or a cause). 

  • To become/get married to. 

uphold

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

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

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

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