lad vs stable boy

lad

noun

  • A boy or young man. 

  • A groom who works with horses. 

  • A Jack the lad; a boyo. 

  • The penis. 

  • A familiar term of address for a young man. 

stable boy

noun

  • A boy or young man who attends in a stable. 

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