lad vs teen-ager

lad

noun

  • A familiar term of address for a young man. 

  • A boy or young man. 

  • A groom who works with horses. 

  • A Jack the lad; a boyo. 

  • The penis. 

teen-ager

noun

  • Dated spelling of teenager. 

How often have the words lad and teen-ager occurred in a corpus of books? (source: Google Ngram Viewer )