gibbosity vs protrusion

gibbosity and protrusion both are nouns.

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

As nouns, gibbosity and protrusion are synonyms defined as:

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

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

gibbosity (noun)	protrusion (noun)
something that bulges out or is protuberant or projects from its surroundings	the act of projecting out from something
	something that bulges out or is protuberant or projects from its surroundings