bib vs nipple

bib

noun
  • A patch of colour around an animal's upper breast and throat. 

  • A rectangular piece of material, carrying a bib number, worn as identification by entrants in a race. 

  • A bibb (bibcock). 

  • Similar items of clothing such as the Chinese dudou and Vietnamese yem. 

  • An item of clothing for people (especially babies) tied around their neck to protect their clothes from getting dirty when eating. 

  • The upper part of an apron or overalls. 

  • A colourful polyester or plastic vest worn over one's clothes, usually to mark one's team during group activities. 

  • Shorts which are held up by suspenders. 

  • A north Atlantic fish (Trisopterus luscus), allied to the cod. 

verb
  • To dress (somebody) in a bib. 

  • To beep (e.g. a car horn). 

nipple

noun
  • The projection of a mammary gland from which, on female mammals, milk is secreted. 

  • A mechanical device through which liquids or gases can be passed in a regulated manner. 

  • Any small physical protrusion, such as the lumps on the F and J keys on computer keyboards. 

  • A perforated segment that fits into part of the breech of a muzzle-loading gun, on which the percussion cap is fixed. 

  • Any small physical protrusion on an automotive, a machine part or any other part that fits into a groove on another part. 

  • An internally threaded piece which holds a bicycle spoke in place on the rim. 

  • A short tube threaded at both ends, used as a connector. 

  • An artificial nipple (definition 1) used for bottle-feeding infants. 

  • A pointing stick. 

verb
  • To fit (a baby's bottle, etc.) with a nipple. 

  • To give one's nipple to (a baby) to allow breastfeeding. 

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