bazooka vs neutron 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. 

neutron bomb

noun
  • An atomic bomb that produces a greater amount of neutrons, and a lesser amount of blast; the intention being to create equal lethal neutron radiation and blast radii which increases the effectiveness of the weapon against armour while reducing collateral damage. 

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