minicab vs yellow cab

minicab

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

  • An unlicensed taxi. 

verb
  • To drive a minicab. 

yellow cab

noun
  • Synonym of taxi. 

  • An Asian woman who sleeps with white men, particularly such Japanese women when regarded as a race traitor. 

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