Japanese vs eastern

Japanese

adj

  • Of, relating to, or derived from Japan, its people, language, or culture. 

noun

  • A person living in or coming from Japan, or of Japanese ancestry. 

  • Japanese food. 

name

  • A language that is primarily spoken in East Asia and is the official language of Japan. 

eastern

adj

  • Oriental. 

  • Blowing from the east; easterly. 

  • Of, facing, situated in, or related to the east. 

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