childhood vs crotch fruit

childhood

noun
  • The state of being a child. 

  • The time during which one is a child, from between infancy and puberty. 

  • The early stages of development of something. 

crotch fruit

noun
  • A child; offspring. 

How often have the words childhood and crotch fruit occurred in a corpus of books? (source: Google Ngram Viewer )