chalky vs unpigmented

chalky

adj
  • Resembling chalk in some way. 

  • Of a tournament: in which the favorites win, or expected to win, most of the games. 

  • Consisting of or containing chalk. 

unpigmented

adj
  • Not pigmented. 

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