booty vs labium

booty

noun
  • The vulva and vagina. 

  • A form of prize which, when a ship was captured at sea, could be distributed at once. 

  • Something that has been stolen or illegally obtained from elsewhere. 

  • The buttocks. 

  • Sexual intercourse. 

  • Plunder taken from an enemy in time of war, or seized by piracy. 

  • A person considered as a sexual partner or sex object. 

labium

noun
  • A liplike structure; especially one of the two pairs of folds of skin on either side of the vulva. 

  • The lip of a labiate corolla. 

  • A liplike part of various invertebrates. 

  • The lip against which pressured air is driven to produce sound in a recorder and in a pipe organ with flue pipes. 

  • A lower mouthpart of an insect that is formed by the second pair of maxillae united in the middle line. 

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