peruke vs sideburns

peruke

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

sideburns

noun
  • Facial hair reaching from the top of the head down the side of the face to the side of the chin. 

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