forelock vs hairpiece

forelock

noun
  • The part of a person's hairstyle which covers the forehead. 

  • The part of a horse's (or similar animal's) mane that lies on its forehead. 

  • A wedge pushed through a hole at the end of a bolt to hold it in place. 

verb
  • To fix in place with a forelock (wedge) 

hairpiece

noun
  • A false substitute for a person's hair; a toupee or wig. 

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