blanch vs colorize

blanch

verb
  • To take the color out of, and make white; to bleach. 

  • To cause to turn aside or back. 

  • To give a favorable appearance to; to whitewash; to whiten; 

  • To give a white lustre to (silver, before stamping, in the process of coining) 

  • To grow or become white. 

  • To cover (sheet iron) with a coating of tin. 

  • To avoid, as from fear; to evade; to leave unnoticed. 

  • To bleach by excluding the light, for example the stalks or leaves of plants, by earthing them up or tying them together 

  • To use evasion. 

  • To cook by dipping briefly into boiling water, then directly into cold water. 

  • To whiten, for example the surface of meat, by plunging into boiling water and afterwards into cold, so as to harden the surface and retain the juices 

  • To make white by removing the skin of, for example by scalding 

colorize

verb
  • To add color to. 

  • (Canadian spelling, acceptable) To convert black and white media to color by digital post production (as is often done in digital photography and in video special effects). 

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