adoptee vs childhood

adoptee

noun
  • An adopted son or daughter. 

  • Synonym of adopter 

  • A person who was adopted as a child. 

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. 

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