protuberance vs prominence

protuberance and prominence both are nouns.

Word	Noun	Adjective	Verb	Adverb
protuberance	Yes	No	No	No
prominence	Yes	No	No	No

As nouns, protuberance and prominence are synonyms defined as:

protuberance and prominence: something that bulges out or is protuberant or projects from its surroundings

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

protuberance (noun)	prominence (noun)
something that bulges out or is protuberant or projects from its surroundings	relative importance or fame
the condition of being protuberant; the condition of bulging out	something that bulges out or is protuberant or projects from its surroundings
	the state of being prominent: widely known or eminent