greyhound vs motor coach

greyhound

noun
  • A highball cocktail of vodka and grapefruit juice. 

  • A lean breed of dog used in hunting and racing. 

verb
  • To leap rapidly across the surface of the water. 

motor coach

noun
  • A powered railway vehicle, designed for passenger transport, capable to pull (or push) other railroad cars (compared to a railcar which only consists of a single railway vehicle with a driver's cab at both ends). 

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