eventration vs hernia

eventration and hernia both are nouns.

Word	Noun	Adjective	Verb	Adverb
eventration	Yes	No	No	No
hernia	Yes	No	No	No

As nouns, hernia is a hypernym of eventration; that is, hernia is a word with a broader meaning than eventration:

eventration: protrusion of the intestine through the abdominal wall
hernia: rupture in smooth muscle tissue through which a bodily structure protrudes

Other hypernyms of eventration include herniation.

eventration (noun)	hernia (noun)
protrusion of the intestine through the abdominal wall	rupture in smooth muscle tissue through which a bodily structure protrudes