celiac vs phrenic

celiac

adj
  • Of, pertaining to or located within the abdomen or abdominal cavity. 

  • Of or pertaining to celiac disease. 

noun
  • Someone who has celiac disease. 

phrenic

adj
  • Of or pertaining to the diaphragm 

  • Relating to the mind or mental activity 

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