merkin vs peruke

merkin

noun
  • A woman's pubic wig. Worn for nude stage appearances and by women, originally after shaving their pubic hair to eliminate lice or for other reasons, now often as a fashion item. 

  • An American. 

  • A mop for cleaning cannon. 

  • The male counterpart of a beard, a companion to a lesbian to feign her straightness. 

peruke

noun
  • A wig, especially one with long hair on the sides and back, worn mainly by men in the 17th and 18th centuries. 

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