bun vs cavern

bun

verb
  • To shoot. 

  • To form (the hair) into a bun. 

  • To smoke cannabis. 

noun
  • A tight roll of hair worn at the back of the head. 

  • A drunken spree. 

  • The vagina. 

  • A newbie. 

  • A Korean unit of length equivalent to about 0.3 cm. 

  • marijuana cigarette, joint 

  • A small bread roll, often sweetened or spiced. 

  • A cupcake. 

  • A buttock. 

cavern

verb
  • To put into a cavern. 

  • To form a cavern or deep depression in. 

noun
  • A large, dark place or space. 

  • A large cave. 

  • An underground chamber. 

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