disregard vs introspection

disregard

verb
  • To ignore; pay no attention to. 

noun
  • The act or state of deliberately not paying attention or caring about; misregard. 

introspection

noun
  • A looking inward; specifically, the act or process of self-examination, or inspection of one's own thoughts and feelings; the cognition which the mind has of its own acts and states 

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