lighty vs prisoner

lighty

noun
  • A young man; a boy. 

prisoner

noun
  • Any person held against their will. 

  • A person who is or feels confined or trapped by a situation or a set of circumstances. 

  • A person incarcerated in a prison, while on trial or serving a sentence. 

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