achromasia vs wanness

achromasia

noun
  • Absence of normal skin pigmentation (from bruising, stress or disease); pallor or achromia. 

  • The inability of a cell or tissue to be stained. 

wanness

noun
  • The state of being wan; pallor. 

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