minicab vs wheels

minicab

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

  • An unlicensed taxi. 

verb
  • To drive a minicab. 

wheels

noun
  • An automobile or other vehicle; a set of wheels. 

  • Well-developed thigh muscles. 

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