celiac vs digestive

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. 

digestive

adj
  • Of, relating to, or functioning in digestion. 

  • That causes or promotes digestion. 

noun
  • A substance that aids digestion. 

  • A digestive biscuit. 

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