stiletto vs tear gas

stiletto

verb
  • To attack or kill with a stiletto (dagger). 

noun
  • An awl. 

  • A small, slender knife or dagger-like weapon intended for stabbing. 

  • A rapier. 

  • A woman's shoe with a tall, slender heel (called a stiletto heel). 

tear gas

verb
  • To use tear gas. 

noun
  • Any lachrymatory, non-lethal chemical compound that causes the eyes to sting and water and/or irritates the respiratory system, mostly used for controlling crowds during riots or as self-defense. 

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