frenzy vs loss of reason

frenzy

verb
  • To render frantic. 

  • To exhibit a frenzy, such as a feeding frenzy. 

noun
  • A violent agitation of the mind approaching madness; rage. 

  • A state of wild activity or panic. 

loss of reason

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