tympanites vs dilatation

tympanites and dilatation both are nouns.

Word	Noun	Adjective	Verb	Adverb
tympanites	Yes	No	No	No
dilatation	Yes	No	No	No

As nouns, dilatation is a hypernym of tympanites; that is, dilatation is a word with a broader meaning than tympanites:

tympanites: distension of the abdomen that is caused by the accumulation of gas in the intestines or the peritoneal cavity
dilatation: the state of being stretched beyond normal dimensions

Other hypernyms of tympanites include distension, distention.

tympanites (noun)	dilatation (noun)
distension of the abdomen that is caused by the accumulation of gas in the intestines or the peritoneal cavity	the act of expanding an aperture
	the state of being stretched beyond normal dimensions