peruke vs toupee

peruke

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

toupee

noun
  • A wig of false hair worn to cover a bald spot, especially as worn by a man. 

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