archaeology vs grave

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. 

grave

noun
  • An excavation in the earth as a place of burial 

  • Death, destruction. 

  • Any place of interment; a tomb; a sepulcher. 

  • Deceased people; the dead. 

  • A written accent used in French, Italian, and other languages. è is an e with a grave accent (`). 

  • A count, prefect, or person holding office. 

adj
  • Serious, in a negative sense; important, formidable. 

  • Low in pitch, tone etc. 

  • Characterised by a dignified sense of seriousness; not cheerful. 

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