insolence vs selfishness

insolence

noun
  • Arrogant conduct; insulting, bold behaviour or attitude. 

  • Insolent conduct or treatment; insult. 

selfishness

noun
  • the quality of being selfish; the condition of putting one's own interests before those of others. 

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