ruby vs strawberry blonde

ruby

adj
  • Of a deep red colour. 

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. 

verb
  • To make red; to redden. 

strawberry blonde

adj
  • An uncommon hair colour that is a combination of blonde and red. Strawberry blonde hair appears blonde in dim light, but when exposed to sun or a bright light, the hair may assume a slight tinge of pink or red color. 

noun
  • A person, especially a female, who has hair of this colour. 

  • A cocktail comprising one part vodka to two parts cherry brandy to three parts cola topped with a dash of cream and stirred gently with a swizzle stick before serving. 

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