archaeology vs paleohistory

archaeology

noun
  • The study of the past by excavation and analysis of its material remains 

  • the actual excavation, examination, analysis and interpretation. 

  • the actual remains together with their location in the stratigraphy. 

  • the academic subject; in the USA: one of the four sub-disciplines of anthropology. 

paleohistory

noun
  • Synonym of archaeology 

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