get past vs overcome

get past

verb
  • To continue around a blockage; to get around (something); to surpass something that is in the way. 

  • To cause someone to overcome a source of grief or get through a difficult time. 

  • To cause something to get around a blockage; to cause to get around or surpass something that is in the way. 

  • To get through a difficult time; to overcome a source of grief. 

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 get past and overcome occurred in a corpus of books? (source: Google Ngram Viewer )