frenzy vs obsessiveness

frenzy

noun
  • A state of wild activity or panic. 

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

verb
  • To render frantic. 

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

obsessiveness

noun
  • The characteristic of being obsessive. 

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