cochineal vs ruby

cochineal

noun
  • The vivid red color of this dye. 

  • A vivid red dye made from the bodies of cochineal insects. 

  • A species of insect (Dactylopius coccus). 

  • cochineal 

adj
  • Possessing a vivid red color, as produced from dying with cochineal. 

ruby

noun
  • A deep red colour. 

  • A ruby hummer, a South American hummingbird, Clytolaema rubricauda. 

  • A red bird-of-paradise, Paradisaea rubra. 

  • A pronunciation guide written above or beside Chinese or Japanese characters. 

  • A clear, deep, red variety of corundum, valued as a precious stone. 

  • The tincture red or gules. 

adj
  • Of a deep red colour. 

verb
  • To make red; to redden. 

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