baby doll vs sweetie

baby doll

noun
  • A young attractive woman; sweetheart, darling. 

  • A style of women's nightdress. 

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

sweetie

noun
  • A sweetheart. 

  • A person who is much loved. 

  • A fruit that is a crossbreed between a grapefruit and a pomelo, originating in Israel. 

  • A sweet; a candy. 

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