sugar beet vs sweetmeat

sugar beet

noun
  • darling; sweetheart 

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

sweetmeat

noun
  • Sweetheart; darling. 

  • A sweet delicacy; a confection. 

How often have the words sugar beet and sweetmeat occurred in a corpus of books? (source: Google Ngram Viewer )