antiquarianism vs prehistory

antiquarianism

noun
  • Study or love of antiquity. 

  • Archaism. 

  • Study or love of antiques. 

prehistory

noun
  • The study of those times. 

  • The time before written records in any area of the world; the events and conditions of those times. 

  • Any past time (even recent) treated as such a distant, unknowable era. 

  • The history leading up to some event, condition, etc. 

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