charabanc vs equipage

charabanc

noun
  • A horse-drawn, and then later, motorized omnibus with open sides, and often, no roof. 

  • A derisive term for a car, bus, train or other vehicle that is poor quality, slow or overcrowded. 

verb
  • To travel or convey by charabanc. 

equipage

noun
  • A type of horse-drawn carriage. 

  • Equipment or supplies, especially military ones. 

  • The carriage together with attendants; a retinue. 

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