doll vs least weasel

doll

noun
  • The smallest or pet pig in a litter. 

  • A toy in the form of a human. 

  • An attractive young woman. 

  • A short signal post mounted on a bracket mounted on the main signal post, or on a signal gantry. 

  • A kind of barrier used in horse racing. 

  • A term of endearment: darling, sweetheart. 

least weasel

noun
  • The common weasel, little weasel, or simply weasel (Mustela nivalis), the smallest member of the weasel genus Mustela, native to Eurasia, North America, and North Africa. 

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