disagreement vs sameness

disagreement

noun
  • A condition of not agreeing or concurring. 

  • An argument or debate. 

sameness

noun
  • The quality of being the same; identity. 

  • A tiring lack of variety; monotony. 

  • The state of being equivalent; equality. 

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