ileus vs blockage

ileus and blockage both are nouns.

Word	Noun	Adjective	Verb	Adverb
ileus	Yes	No	No	No
blockage	Yes	No	No	No

As nouns, blockage is a hypernym of ileus; that is, blockage is a word with a broader meaning than ileus:

ileus: blockage of the intestine (especially the ileum) that prevents the contents of the intestine from passing to the lower bowel
blockage: the physical condition of blocking or filling a passage with an obstruction

Other hypernyms of ileus include enteropathy, obstruction.

ileus (noun)	blockage (noun)
blockage of the intestine (especially the ileum) that prevents the contents of the intestine from passing to the lower bowel	the act of blocking
	an obstruction in a pipe or tube
	the physical condition of blocking or filling a passage with an obstruction