golden girl vs wonderkid

golden girl

noun
  • A favored youth, held in high esteem by others, and for whom there are high hopes. 

  • A young woman who has become unusually successful at an early age. 

  • A young woman who is beautiful in a wholesome and healthy way. 

wonderkid

noun
  • A child prodigy; (if male) a golden boy 

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