extrusion vs gibbousness

extrusion and gibbousness both are nouns.

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

As nouns, extrusion and gibbousness are synonyms defined as:

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

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

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