get past vs get to

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. 

get to

verb
  • To reach or arrive at (a physical or abstract destination, or state of doing a certain activity). 

  • To be allowed to. 

  • To affect adversely; to upset or annoy. 

  • To intimidate. 

  • To go to or be located at (a particular place). 

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