arrogance vs egocentrism

arrogance

noun
  • The state of being arrogant; a type of extreme or foolish pride in which someone feels much superior to another. 

egocentrism

noun
  • The constant following of one's egotistical desires to an extreme. 

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