peruke vs pubic hair

peruke

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

pubic hair

noun
  • The hair that grows in the pubic region from puberty. 

  • a single hair growing in the pubic region 

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