sugar beet vs sweetie

sugar beet

noun
  • darling; sweetheart 

  • A type of beet whose root contains a high concentration of sucrose. 

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 sugar beet and sweetie occurred in a corpus of books? (source: Google Ngram Viewer )