bogey vs railroad truck

bogey

noun
  • Synonym of bandit: an enemy aircraft. 

  • An unidentified aircraft, especially as observed as a spot on a radar screen and suspected to be hostile. 

  • A standard of performance set up as a mark to be aimed at in competition. 

  • A bugbear: any terrifying thing. 

  • A score of one over par on a hole. 

  • A bog-standard (representative) specimen taken from the center of production. 

  • A swim or bathe; a bath. 

  • A ghost, goblin, or other hostile supernatural creature. 

verb
  • To make a bogey. 

  • To swim; to bathe. 

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) 

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