railroad truck vs rig

railroad truck

noun
  • A chassis or framework-like structure underneath a railroad car to which wheel axles (and, hence, wheels) are attached through bearings. (Not to be confused with railway truck or railtruck, which are British English synonyms of railroad car) 

rig

noun
  • A large truck such as a semi-trailer truck. 

  • Special equipment or gear used for a particular purpose. 

  • An imperfectly castrated horse, sheep etc. 

  • A model outfitted with parameterized controls for animation. 

  • Radio equipment, especially a citizen's band transceiver. 

  • A costume or an outfit. 

  • A ridge. 

  • A promiscuous woman. 

  • An algebraic structure similar to a ring, but without the requirement that every element have an additive inverse. 

  • The special apparatus used for drilling wells. 

  • The rigging of a sailing ship or other such craft. 

  • A personal computer, typically one modified for looks. 

verb
  • To move (a heavy object) with the help of slings, hoists, block and tackle, levers, or similar equipment. 

  • To dress or clothe in some costume. 

  • To make or construct something in haste or in a makeshift manner. 

  • To manipulate something dishonestly for personal gain or discriminatory purposes. 

  • To equip and fit (a ship) with sails, shrouds, and yards. 

  • To outfit a model with controls for animation. 

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