wan vs wraithy

wan

adj
  • Pale, sickly-looking. 

  • Bland, uninterested. 

  • Dim, faint. 

noun
  • The quality of being wan; wanness. 

  • A girl or woman. 

wraithy

adj
  • Resembling or characteristic of a wraith. 

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