fiacre vs taxicab

fiacre

noun
  • A small horse-drawn carriage for hire; a hackney carriage. 

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 fiacre and taxicab occurred in a corpus of books? (source: Google Ngram Viewer )