gook vs jun

gook

noun
  • A person of (South) East Asian descent, especially a Vietnamese, Filipino, Chinese, Japanese or Korean person. 

  • A dull or hapless person. 

  • Grime or mud. 

  • A Vietnamese insurgent in the Vietnam War, particularly a member of the Vietcong. 

jun

noun
  • A monetary unit of North Korea and formerly of South Korea, equal to one hundredth of a won. 

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