decrepitate vs shiver

decrepitate

verb
  • Of salts and minerals, to crackle when heated, indicating a sudden breakdown of their particles. 

  • To roast (a salt or mineral) until it stops crackling in the fire. 

shiver

verb
  • To break into splinters or fragments. 

  • To tremble or shake, especially when cold or frightened. 

  • To cause to shake or tremble, as a sail, by steering close to the wind. 

noun
  • A small wedge, as for fastening the bolt of a window shutter. 

  • Collective noun for a group of sharks 

  • A bodily response to early hypothermia.ᵂᵖ 

  • A sheave or small wheel in a pulley. 

  • The act of shivering. 

  • A fragment or splinter, especially of glass or stone. 

  • A variety of blue slate. 

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