bib vs valance

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). 

valance

noun
  • A short, decorative edging of cloth that conceals the legs of a couch, sofa, etc. 

  • A short, decorative edging of cloth that hangs from beneath the mattress to the floor used to conceal the boxspring or space under the bed and prevent dust from accumulating there. 

  • The drooping edging of the lid of a trunk, which covers the joint when the lid is closed. 

  • A short curtain that usually hangs along the top edge of a window. 

  • A decorative framework used to conceal the curtain mechanism and so on at the top of a window. 

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