Ancient Greek vs Koine

Ancient Greek

name
  • Any of the various forms of the Greek language of classical antiquity, particularly the classical Attic dialect used in Athenian literature. 

noun
  • A native or inhabitant of Ancient Greece. 

adj
  • Of or relating to Ancient Greece. 

Koine

name
  • The “common” Greek language that developed and flourished between 300 B.C.E. and 300 C.E. (the time of the Roman Empire), and from which Modern Greek descended. It was based on the Attic and Ionian dialects of Ancient Greek. 

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