peruke vs rug

peruke

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

rug

noun
  • A wig; a hairpiece. 

  • A dense growth of chest hair. 

  • A (usually thick) piece of fabric used for warmth (especially on a bed); a blanket. 

  • A cloth covering for a horse. 

  • A partial covering for a floor. 

  • The female pubic hair. 

  • A rough, woolly, or shaggy dog. 

verb
  • To pull roughly or hastily; to plunder; to spoil; to tear. 

  • To cover with a rug. 

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