red rag to a bull vs vexation

red rag to a bull

noun
  • Something that will enrage another particular person. 

vexation

noun
  • Something that vexes or irritates. 

  • The state of being vexed or irritated. 

  • The act of annoying, vexing, or irritating. 

How often have the words red rag to a bull and vexation occurred in a corpus of books? (source: Google Ngram Viewer )