hansom vs minicab

hansom

noun

  • A Hansom cab; a carriage 

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 hansom and minicab occurred in a corpus of books? (source: Google Ngram Viewer )