get past vs sneak past

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. 

sneak past

verb
  • To get through or successfully go around an inspection, guard or bureaucratic hurdle. 

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