gingernut vs strawberry blonde

gingernut

noun
  • A redhead; a ginger-haired person. 

  • A hard biscuit, flavoured with powdered ginger, often dunked in tea. 

strawberry blonde

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. 

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. 

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