gray-headed vs snowy

gray-headed

adj
  • Having gray hair, especially from age 

snowy

adj
  • Covered with snow, snow-covered, besnowed. 

  • Snow-white in color, white as snow. 

  • Marked by snow, characterized by snow. 

noun
  • Synonym of snowy owl 

How often have the words gray-headed and snowy occurred in a corpus of books? (source: Google Ngram Viewer )