pumpkin vs sugar-plum

pumpkin

noun
  • A term of endearment for someone small and cute. 

  • The color of the fruit of the pumpkin plant. 

  • Any of a number of cultivars from the genus Cucurbita; known in the US as winter squash. 

  • A domesticated plant, in species Cucurbita pepo, similar in growth pattern, foliage, flower, and fruit to the squash or melon. 

  • The round yellow or orange fruit of this plant. 

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 pumpkin and sugar-plum occurred in a corpus of books? (source: Google Ngram Viewer )