apron vs bib

apron

noun
  • An article of clothing worn over the front of the torso and/or legs for protection from spills; also historically worn by Freemasons and as part of women's fashion. 

  • The sides of a tree's canopy. 

  • The portion of a stage extending towards the audience beyond the proscenium arch in a theatre. 

  • The paved area below the yellow line on a race track. 

  • The loading, parking or roadway area immediately beside a railway station 

  • A removable cover for the passengers' feet and legs in an open horse carriage. 

  • The cap of a cannon; a piece of lead laid over the vent to keep the priming dry. 

  • The short cassock ordinarily worn by English bishops. 

  • The spreading end of a driveway. 

  • A large decal toward the bottom of a pinball table. 

  • The paved area of an airport, especially the area where aircraft park away from a terminal 

verb
  • To cover with, or as if with, an apron. 

bib

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

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

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

  • A bibb (bibcock). 

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

  • 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). 

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