dysentery vs trots

dysentery

noun
  • Diarrhea. 

  • A disease characterised by inflammation of the intestines, especially the colon (large intestine), accompanied by pus (white blood cells) in the feces, fever, pain in the abdomen, high-volume diarrhea, and possible blood in the feces. 

trots

noun
  • Diarrhoea/diarrhea. 

  • A trotting race meet; harness racing. 

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