explosive vs touch-paper

explosive

noun
  • Any explosive substance. 

adj
  • Easily driven to anger, usually with reference to a person. 

  • Shocking; startling. 

  • With the capability to, or likely to, explode. 

  • Having the character of an explosion. 

touch-paper

noun
  • a strip of paper impregnated with nitre, used as a fuse for firing gunpowder, fireworks etc. 

How often have the words explosive and touch-paper occurred in a corpus of books? (source: Google Ngram Viewer )