bib vs preen

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). 

preen

noun
  • A forked tool used by clothiers for dressing cloth. 

  • bodkin; brooch 

  • pin 

verb
  • To spend time making oneself attractive and admiring one's appearance, e.g. in front of a mirror. 

  • To trim up, as trees. 

  • To improve the appearance of; groom; prettify. 

  • To flatter. 

  • To comb; to make orderly. 

  • To groom; to trim or dress with the beak, as the feathers. 

  • To show off, posture, or smarm. 

  • To pin; fasten. 

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