iridoncus vs swelling

iridoncus and swelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
iridoncus	Yes	No	No	No
swelling	Yes	No	No	No

As nouns, swelling is a hypernym of iridoncus; that is, swelling is a word with a broader meaning than iridoncus:

Other hypernyms of iridoncus include lump, puffiness.

iridoncus (noun)	swelling (noun)
swelling of the iris of the eye	the increase in volume of certain substances when they are heated (often accompanied by release of water)
	something that bulges out or is protuberant or projects from its surroundings
	an abnormal protuberance or localized enlargement