prominence vs protuberance

prominence and protuberance both are nouns.

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

As nouns, prominence and protuberance are synonyms defined as:

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

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

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