agronomist vs countryman

agronomist

noun
  • A scientist whose speciality is agronomy. 

countryman

noun
  • A settled person, as opposed to a traveller. 

  • A country dweller, especially a follower of country pursuits. 

  • Somebody from a certain country. 

  • Somebody from one's own country; a fellow countryman; compatriot. 

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