boots vs coachman

boots

noun
  • The ship in a fleet having the most junior captain. 

  • A condom. 

coachman

noun
  • A fish in the genus Heniochus, either Heniochus acuminatus or Heniochus diphreutes. 

  • A man who drives a horse-drawn coach, a male coach driver. 

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