capitulate vs conquer

capitulate

verb
  • To surrender; to end all resistance, to give up; to go along with or comply. 

conquer

verb
  • To defeat in combat; to subjugate. 

  • To overcome an abstract obstacle. 

  • To acquire by force of arms, win in war; to become ruler of; to subjugate. 

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