baby doll vs banyan

baby doll

noun
  • A style of women's nightdress. 

  • A young attractive woman; sweetheart, darling. 

  • A child's doll designed to look like a baby. 

banyan

noun
  • A type of loose gown worn in India. 

  • An Indian trader, merchant, cashier, or money changer. 

  • A tropical Indian fig tree, Ficus benghalensis, that has many aerial roots. 

  • A vest; an undershirt; a singlet. 

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