postiche vs sidelock

postiche

noun
  • Any item of false hair worn on the head or face, such as a false beard or wig. 

adj
  • Added after the work is finished. 

sidelock

noun
  • A lock of hair worn at the side of the head. 

  • The design of a gun that has the lockwork mounted to the inside of a plate; compare boxlock. 

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