excrescence vs swelling

excrescence and swelling both are nouns.

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

As nouns, excrescence and swelling are synonyms defined as:

excrescence and swelling: something that bulges out or is protuberant or projects from its surroundings

Other synonyms of excrescence include bulge, bump, extrusion, gibbosity, gibbousness, hump, jut, prominence, protrusion, protuberance.

excrescence (noun)	swelling (noun)
(pathology) an abnormal outgrowth or enlargement of some part of the body	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	something that bulges out or is protuberant or projects from its surroundings
	an abnormal protuberance or localized enlargement