bear down vs overcome

bear down

verb
  • To push (someone) to the ground; to defeat, overcome. 

  • To approach in a determined manner. 

  • To steer away from the wind; to approach from windward. 

  • To intensify one's efforts. 

  • To exert downward pressure on one's abdomen, as in giving birth, forcing out feces, and some similar bodily maneuvers. 

  • Used other than figuratively or idiomatically: see bear, down. 

overcome

verb
  • To surmount (a physical or abstract obstacle); to prevail over, to get the better of. 

  • To prevail. 

  • To win or prevail in some sort of battle, contest, etc. 

  • To recover from (a difficulty), to get over 

  • To come or pass over; to spread over. 

noun
  • The burden or recurring theme in a song. 

  • A surplus. 

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