meteoroid vs torch

meteoroid

noun
  • A relatively small (sand- to boulder-sized) fragment of debris in a star system that produces a meteor when it hits the atmosphere 

torch

noun
  • A torch drive ("a spacecraft engine which produces thrust by nuclear fusion"). 

  • An arsonist. 

  • A stick with a flame on one end, used chiefly as a light source; a similarly shaped implement with a replaceable supply of flammable material. 

  • A blowtorch or oxy-gas torch. 

  • A portable light source powered by electricity; a flashlight. 

verb
  • To set fire to, especially by use of a torch (flaming stick). 

  • To travel in a spacecraft propelled by a torch drive ("a spacecraft engine which produces thrust by nuclear fusion"). 

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