Achaean vs Danaan

Achaean

noun
  • An inhabitant or a resident of Achaea. 

adj
  • Of or relating to Achaea. 

Danaan

noun
  • A Greek; a member of any of the Greek peoples (in ancient times). 

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