archaeology vs cleft

archaeology

noun
  • 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. 

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

cleft

noun
  • An opening, fissure, or V-shaped indentation made by or as if by splitting. 

  • A piece made by splitting. 

  • A disease of horses; a crack on the band of the pastern. 

verb
  • To syntactically separate a prominent constituent from the rest of the clause that concerns it, such as threat in "The threat which I saw but which he didn't see, was his downfall." 

adj
  • split, divided, or partially divided into two. 

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