pass on vs pass the river

pass on

verb
  • To die. 

  • To convey or communicate. 

  • To go forward. 

  • To transfer (something) to someone, especially by handing or bequeathing it to the next person in a series. 

  • To skip or decline. 

pass the river

verb
  • To die. 

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