luvvy vs sugar-plum

luvvy

noun
  • An affectionate term of address. 

  • an actor or actress, especially a narcissistic and pretentious one. 

sugar-plum

noun
  • Term of endearment: sweetheart, darling. 

  • A round or oval sweet/piece of candy made of boiled sugar. 

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