fun size vs youngest

fun size

noun
  • A small size. 

adj
  • Small in size. 

youngest

noun
  • The youngest child in a family, or individual in a group. 

adj
  • Most recently begun or formed. 

  • Receiving dealt cards last, i.e. immediately before the next deal to the eldest. 

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