gibbosity vs extrusion

gibbosity and extrusion both are nouns.

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

As nouns, gibbosity and extrusion are synonyms defined as:

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

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

gibbosity (noun)	extrusion (noun)
something that bulges out or is protuberant or projects from its surroundings	squeezing out by applying pressure
	something that bulges out or is protuberant or projects from its surroundings