cholerine vs diarrhea

cholerine

noun
  • Minor diarrhea that happens during outbreaks of cholera. 

diarrhea

noun
  • A gastrointestinal disorder characterized by frequent and very soft or watery bowel movements. 

  • The watery or very soft excrement that comes from such bowel movements. 

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