gibbosity vs mogul

gibbosity and mogul both are nouns.

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

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

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

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

gibbosity (noun)	mogul (noun)
something that bulges out or is protuberant or projects from its surroundings	a very wealthy or powerful businessman
	a bump on a ski slope