panic vs shock

panic

verb
  • To cause (someone) to feel panic (“overwhelming fear or fright”); also, to frighten (someone) into acting hastily. 

  • To cause (a computer system) to crash. 

  • To feel panic, or overwhelming fear or fright; to freak out, to lose one's head. 

  • Of a computer system: to crash. 

  • To highly amuse, entertain, or impress (an audience watching a performance or show). 

noun
  • Foxtail millet or Italian millet (Setaria italica), the second-most widely grown species of millet. 

  • Overwhelming fear or fright, often affecting groups of people or animals; (countable) an instance of this; a fright, a scare. 

  • A rapid reduction in asset prices due to broad efforts to raise cash in anticipation of such prices continuing to decline. 

  • A plant of the genus Panicum, or of similar plants of other genera (especially Echinochloa and Setaria) formerly included within Panicum; panicgrass or panic grass. 

  • The edible grain obtained from one of the above plants. 

  • A highly amusing or entertaining performer, performance, or show; a riot, a scream. 

adj
  • Pertaining to or resulting from overwhelming fear or fright. 

  • Of fear, fright, etc: overwhelming or sudden. 

shock

verb
  • To cause to be emotionally shocked; to cause (someone) to feel surprised and upset. 

  • To give an electric shock to. 

  • To subject to a shock wave or violent impact. 

  • To add a chemical to (a swimming pool) to moderate the chlorine levels. 

  • To collect, or make up, into a shock or shocks; to stook. 

noun
  • A state of distress following a mental or emotional disturbance. 

  • Electric shock, a sudden burst of electrical energy hitting a person or animal. 

  • Circulatory shock, a medical emergency characterized by the inability of the circulatory system to supply enough oxygen to meet tissue requirements. 

  • A shock absorber (typically in the suspension of a vehicle). 

  • A chemical added to a swimming pool to moderate the chlorine levels. 

  • An arrangement of sheaves for drying; a stook. 

  • A sudden or violent mental or emotional disturbance. 

  • A sudden, heavy impact. 

  • A tuft or bunch of something, such as hair or grass. 

  • Something so surprising that it is stunning. 

  • A discontinuity arising in the solution of a partial differential equation. 

  • A shock wave. 

adj
  • Causing intense surprise, horror, etc.; unexpected and shocking. 

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