afro vs curler

afro

noun
  • hairstyle characterized by tightly curled locks and a rounded shape. 

  • A person of African ancestry 

curler

noun
  • One of a set of small cylindrical tubes used to curl hair. 

  • A pass or a shot of the ball which swerves. 

  • A sportsman who plays curling. 

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