minicab vs taxicab

minicab

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

  • An unlicensed taxi. 

verb
  • To drive a minicab. 

taxicab

noun
  • a vehicle that passengers hire to take them between locations of their choice, the fare being calculated with a taximeter; a taxi or cab 

verb
  • To travel by taxicab. 

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