pal vs surry

pal

noun
  • A friend, buddy, mate, cobber; someone to hang around with. 

  • An informal term of address, often used ironically in a hostile way. 

verb
  • Be friends with, hang around with. 

surry

noun
  • Friend 

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