alexithymic vs joyless

alexithymic

adj
  • Lacking in emotion or emotional expression. 

  • Pertaining to or having alexithymia. 

noun
  • A person who has difficulty feeling, processing or understanding emotions 

joyless

adj
  • without joy; unhappy, sad 

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