disagreement vs tiff

disagreement

noun
  • An argument or debate. 

  • A condition of not agreeing or concurring. 

tiff

noun
  • A small argument; a petty quarrel. 

  • Liquor; especially, a small draught of liquor. 

verb
  • To have lunch. 

  • To quarrel. 

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