pumpkin vs turtle dove

pumpkin

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

  • The color of the fruit of the pumpkin plant. 

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

  • A term of endearment for someone small and cute. 

  • The round yellow or orange fruit of this plant. 

turtle dove

noun
  • Any of several (species of) birds, called by this traditional name, mainly in the genus Streptopelia, of the family Columbidae (doves and pigeons, which also included the extinct passenger pigeon, dodo, and solitaire). 

How often have the words pumpkin and turtle dove occurred in a corpus of books? (source: Google Ngram Viewer )