equipage vs passenger train

equipage

noun
  • The carriage together with attendants; a retinue. 

  • A type of horse-drawn carriage. 

  • Equipment or supplies, especially military ones. 

passenger train

noun
  • A train whose primary function is to carry passengers. 

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