amoebiasis vs dysentery

amoebiasis

noun
  • Any of various such diseases; most especially 

  • Disease associated with the presence of amoebas. 

  • An infectious disease caused by the parasitic protozoan Entamoeba histolytica; amoebic dysentery. 

dysentery

noun
  • 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. 

  • Diarrhea. 

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