chinstrap vs labyrinth

chinstrap

noun
  • A band of colour below a bird's mouth, resembling the chinstrap of a helmet. 

  • A form of beard that follows the jawline but does not cover the rest of the chin. 

  • A strip of leather or material used to fasten a hat or helmet under the chin. 

labyrinth

noun
  • An accessory respiratory organ of certain fish. 

  • Any of various satyrine butterflies of the genus Neope. 

  • A complicated irregular network of passages or paths, especially underground or covered, in which it is difficult to find one's way. 

  • A maze formed by paths separated by high hedges. 

  • Anything complicated and confusing in structure, arrangement, or character. 

  • A complex structure in the inner ear which contains the organs of hearing and balance. It consists of bony cavities (the bony labyrinth) filled with fluid and lined with sensitive membranes (the membranous labyrinth). 

verb
  • to twist and wind, following a labyrinthine path 

  • to enclose in a labyrinth, or as though in a labyrinth 

  • to render lost and confused, as if in a labyrinth 

  • to arrange in the form of a labyrinth 

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