imperilment vs insecurity

imperilment

noun
  • The act of imperiling, or the state of being imperiled. 

insecurity

noun
  • The state of being subject to danger; vulnerability. 

  • A lack of security; uncertainty. 

  • A lack of confidence in oneself; self-doubt. 

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