eventration vs herniation

eventration and herniation both are nouns.

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

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

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

Other hypernyms of eventration include hernia.

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