alexithymic vs cold-blooded

alexithymic

adj
  • Lacking in emotion or emotional expression. 

  • Pertaining to or having alexithymia. 

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

cold-blooded

adj
  • Lacking emotion or compunction. 

  • Of a type of horse: tall and muscular, usually good-natured and suitable for heavy work. 

  • Having an unregulated body temperature; ectothermic. 

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