excrescence vs mogul

excrescence and mogul both are nouns.

Word	Noun	Adjective	Verb	Adverb
excrescence	Yes	No	No	No
mogul	Yes	No	No	No

As nouns, mogul is a hyponym of excrescence; that is, mogul is a word with a more specific, narrower meaning than excrescence:

excrescence: something that bulges out or is protuberant or projects from its surroundings
mogul: a bump on a ski slope

Other hyponyms of excrescence include frontal eminence, occipital protuberance, belly, caput, nub, nubble, snag, wart.

excrescence (noun)	mogul (noun)
(pathology) an abnormal outgrowth or enlargement of some part of the body	a very wealthy or powerful businessman
something that bulges out or is protuberant or projects from its surroundings	a bump on a ski slope