hackney carriage vs minicab

hackney carriage

noun

  • A black cab. 

  • A horse-drawn carriage for public hire. 

minicab

noun

  • A small car used as a taxi (rather than a traditional black cab). 

  • An unlicensed taxi. 

verb

  • To drive a minicab. 

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