nonformal vs pally

nonformal

adj
  • Not formal. 

pally

adj
  • Like a pal; friendly. 

noun
  • An affectionate term of address. 

  • A slightly derogatory and insulting term of address. 

  • A paladin. 

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