ashy vs greyish

ashy

adj
  • Having dry or dead skin (therefore discolored). 

  • Comprising, containing, or covered with ash. 

  • Resembling ashes (especially in colour); (of a person’s complexion) unusually pale as a result of strong emotion, illness, etc. 

greyish

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