Block vs Holocaust

Block

name
  • A Jewish surname 

  • An English surname 

  • A surname from German 

  • A surname. 

  • A surname from Dutch 

Holocaust

name
  • The systematic mass murder (genocide) of six million Jews perpetrated by Nazi Germany shortly before and during World War II. 

  • The systematic mass murder (democide) of eleven million people, namely six million Jews and five million others (including Romanis, Slavs, homosexuals, and people with physical and mental disabilities), perpetrated by Nazi Germany shortly before and during World War II. 

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