ashen vs hairline

ashen

adj
  • Ash-colored; pale; anemic, anaemic; appalled. 

  • Of or resembling ashes. 

  • Made from the wood of the ash-tree. 

verb
  • To turn into ash; make or become ashy 

  • To make or become pale 

hairline

adj
  • very thin, as thin as a hair 

noun
  • A fishing line made from hair. 

  • The line along one's forehead where hair starts growing. 

  • A very thin line in writing, drawing, or typography. 

  • A very thin fissure. 

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