Block vs Spur

Block

name

  • An English surname 

  • A Jewish surname 

  • A surname from German 

  • A surname. 

  • A surname from Dutch 

Spur

name

  • An occupational surname from Middle English 

noun

  • someone connected with Tottenham Hotspur FC, as a fan, player, coach etc. 

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