amoebic dysentery vs amoebiasis

amoebic dysentery and amoebiasis both are nouns.

Word	Noun	Adjective	Verb	Adverb
amoebic dysentery	Yes	No	No	No
amoebiasis	Yes	No	No	No

As nouns, amoebiasis is a hypernym of amoebic dysentery; that is, amoebiasis is a word with a broader meaning than amoebic dysentery:

amoebic dysentery: inflammation of the intestines caused by Endamoeba histolytica; usually acquired by ingesting food or water contaminated with feces; characterized by severe diarrhea
amoebiasis: infection by a disease-causing ameba

Other hypernyms of amoebic dysentery include dysentery, amebiasis, amebiosis, amoebiosis.

amoebic dysentery (noun)	amoebiasis (noun)
inflammation of the intestines caused by Endamoeba histolytica; usually acquired by ingesting food or water contaminated with feces; characterized by severe diarrhea	infection by a disease-causing ameba