butterscotch vs hard candy

butterscotch

noun
  • A hard candy made from butter, brown sugar, syrup and vanilla. 

  • A light brown colour, like that of butterscotch candy. 

  • A sauce or syrup made of similar ingredients. 

adj
  • Of a light brown colour, like that of butterscotch candy. 

  • Having the flavour of butterscotch. 

hard candy

noun
  • A candy prepared from one or more syrups boiled to a temperature of 160°C (320°F), thereafter becoming stiff and brittle at room temperature. 

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