genetics vs paleobotany

genetics

noun
  • The branch of biology that deals with the transmission and variation of inherited characteristics, in particular chromosomes and DNA. 

  • The genetic makeup of a specific individual or species. 

paleobotany

noun
  • The branch of paleontology that deals with the study of plant fossils. 

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