neutron bomb vs ravage

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. 

ravage

noun
  • Depredation or devastation. 

  • Grievous damage or havoc. 

verb
  • To devastate or destroy something. 

  • To have vigorous sexual intercourse with. 

  • To pillage or sack something, to lay waste to something. 

  • To rape. 

  • To wreak destruction. 

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