decolorize vs grizzle

decolorize

verb
  • To lose one’s color. 

  • To remove the color from. 

grizzle

verb
  • To make or become grey, as with age. 

  • To whinge or whine. 

  • to cry continuously but not very loudly - especially of a young child. 

  • To fuss or cry 

noun
  • A dark grey colour. 

  • A grey wig. 

  • Grey hair. 

adj
  • Of a grey colour. 

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