retinue vs stableman

retinue

noun
  • A group of servants or attendants, especially of someone considered important. 

  • A group of warriors or nobles accompanying a king or other leader; comitatus. 

stableman

noun
  • A person employed to take care of horses in a stable. 

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