adolescent vs lastborn

adolescent

adj
  • Of, relating to, or at the age of adolescence; at the stage between being a child and an adult. 

noun
  • A person who is in adolescence; someone who has reached puberty but is not yet an adult. 

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 adolescent and lastborn occurred in a corpus of books? (source: Google Ngram Viewer )