carriage vs tractor

carriage

noun
  • A railroad car 

  • The part of a typewriter supporting the paper. 

  • The charge made for conveying (especially in the phrases carriage forward, when the charge is to be paid by the receiver, and carriage paid). 

  • A shopping cart. 

  • The act of conveying; carrying. 

  • A (mostly four-wheeled) lighter vehicle chiefly designed to transport people, generally drawn by horse power. 

  • Means of conveyance. 

  • A stroller; a baby carriage. 

  • The manner or posture in which one holds or positions a body part, such as one's arm or head. 

tractor

noun
  • A British Rail Class 37 locomotive. 

  • A vehicle used in farms e.g. for pulling farm equipment and preparing the fields. 

  • A truck (or lorry) for pulling a semi-trailer or trailer. 

  • An aeroplane where the propeller is located in front of the fuselage. 

  • A movable coop without a floor to allow for free ranging. 

  • Any piece of machinery that pulls something. 

verb
  • To move with a tractor beam. 

  • To prepare (land) with a tractor. 

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