big talk vs insolence

big talk

noun
  • Statements which are boastful or exaggerated. 

  • Major topic of conversation; current gossip. 

insolence

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

  • Insolent conduct or treatment; insult. 

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