ammunition vs grenade

ammunition

verb
  • To supply with ammunition. 

noun
  • Articles used in charging firearms and ordnance of all kinds; as powder, balls, shot, shells, percussion caps, rockets, etc. 

  • Arguments and information that can be used against the other party in a conflict. 

grenade

verb
  • To use grenade(s) upon. 

noun
  • A small explosive device, designed to be thrown by hand or launched using a rifle, grenade launcher, or rocket. 

  • An unattractive girl. 

  • A charge similar to a fireball, and made of a disc-shaped bomb shell, but with only one set of flames at the top. 

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