bijou vs lastborn

bijou

adj
  • small, little (often implying affection) 

  • intricate; finely made 

  • small and elegant 

noun
  • A jewel. 

  • A piece of jewelry; a trinket. 

  • A small intricate piece of metalwork. 

lastborn

adj
  • Born last in a family; youngest in a the family. 

  • Younger than anyone else in a group. 

noun
  • The youngest child of a family. 

  • The youngest member of any company or organization. 

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