headpiece vs taj

headpiece

noun
  • Protecting cover for the head; a helmet. 

  • A headstall. 

  • A decorative page heading used at the start of volumes or chapters. 

  • A headset. 

  • The top piece or part of various things. 

  • Something covering the head. 

  • The head; the brain. 

taj

noun
  • A tall brimless hat, usually conical or curved on top, worn in Muslim countries as a sign of distinction and prestige. 

  • A crown worn by Indian princes as a sign of high rank. 

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