gibbosity vs excrescence

gibbosity and excrescence both are nouns.

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

As nouns, gibbosity and excrescence are synonyms defined as:

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

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

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