grey vs greyness

grey

noun

  • UK and Commonwealth standard spelling of gray. 

adj

  • UK and Commonwealth standard spelling of gray. 

  • Synonym of coloured (pertaining to the mixed race of black and white). 

verb

  • UK and Commonwealth standard spelling of gray. 

greyness

noun

  • The state or quality of being grey. 

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