bus vs convertible

bus

noun
  • A motor vehicle for transporting large numbers of people along roads. 

  • An electrical conductor or interface serving as a common connection for two or more circuits or components. 

  • An ambulance. 

  • Part of a MIRV missile, having on-board motors used to deliver the warhead to a target. 

verb
  • To travel by bus. 

  • To transport students to school, often to a more distant school for the purposes of achieving racial integration. 

  • To clear meal remains from. 

  • To transport via a motor bus. 

  • To work at clearing the remains of meals from tables or counters; to work as a busboy. 

convertible

noun
  • A convertible car: a car with a removable or foldable roof able to convert from a closed to open vehicle and back again. 

  • A convertible security: a stock, bond, etc. that can be turned into another (usually common stock) under certain set terms. 

  • A computer able to convert from laptop to tablet and back again. 

adj
  • Able to be exchanged for foreign currency. 

  • Able to be exchanged for a different class of security (usually common stock) under certain set terms. 

  • Able to be exchanged, one for the other, especially 

  • Able to be turned to a different purpose. 

  • Able to be turned to a different religion or belief. 

  • Able to undergo conversion (i.e., inversion) without falsehood. 

  • Able to change from a closed to an open frame and back again. 

  • Able to be exchanged for specie. 

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