cosy vs rug

cosy

noun
  • A padded or knit covering put on an item to keep it warm, especially a teapot or egg. 

  • A padded or knit covering for any item (often an electronic device such as a laptop computer). 

  • A work of crime fiction in which sex and violence are downplayed or treated humorously, and the crime and detection take place in a small, socially intimate community. 

verb
  • To become friendly with. 

  • To become snug and comfortable. 

adj
  • Warm and comfortable. 

  • Affording comfort and warmth; snug; social 

rug

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

  • A dense growth of chest hair. 

  • A cloth covering for a horse. 

  • A wig; a hairpiece. 

  • 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 cosy and rug occurred in a corpus of books? (source: Google Ngram Viewer )