bazooka vs fission bomb

bazooka

noun
  • Any shoulder-fired rocket grenade launcher. 

  • Crack cocaine. 

  • A shoulder-held rocket launcher used as an antitank weapon, developed by America during World War II and so-called from its resemblance to the bazooka musical instrument. 

  • A primitive trombone having wide tubes. 

  • A woman's breast, especially a big one. 

verb
  • To shoot with a bazooka. 

fission bomb

noun
  • An atomic bomb that uses nuclear fission as a source of energy 

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