petrify vs reassure

petrify

verb
  • To make callous or obdurate; to stupefy; to paralyze; to transform; as by petrification. 

  • To produce rigidity akin to stone. 

  • To become stone, or of a stony hardness, as organic matter by calcareous deposits. 

  • To harden organic matter by permeating with water and depositing dissolved minerals. 

  • To immobilize with fright. 

  • To become stony, callous, or obdurate. 

reassure

verb
  • To reinsure. 

  • To assure anew; to restore confidence to; to free from fear or self-doubt. 

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