anti-Semitism vs racial discrimination

anti-Semitism

noun
  • Prejudice, discrimination, hostility or political or religious opposition directed against ethnic or religious Jews or against Judaism; antijudaism; judeophobia. 

  • Prejudice, discrimination or hostility directed against any Semitic people (ancient or modern), such as Samaritans, Palestinians, Arabs or Assyrians. 

racial discrimination

noun
  • Discrimination on grounds of race or ethnicity. 

How often have the words anti-Semitism and racial discrimination occurred in a corpus of books? (source: Google Ngram Viewer )