occipital protuberance vs hump

occipital protuberance and hump both are nouns.

Word	Noun	Adjective	Verb	Adverb
occipital protuberance	Yes	No	No	No
hump	Yes	No	Yes	No

As nouns, hump is a hypernym of occipital protuberance; that is, hump is a word with a broader meaning than occipital protuberance:

occipital protuberance: prominence on the outer surface of the occipital bone
hump: something that bulges out or is protuberant or projects from its surroundings

Other hypernyms of occipital protuberance include bulge, bump, excrescence, extrusion, gibbosity, gibbousness, jut, prominence, protrusion, protuberance, swelling.

occipital protuberance (noun)	hump (noun)
prominence on the outer surface of the occipital bone	something that bulges out or is protuberant or projects from its surroundings

occipital protuberance (verb)	hump (verb)
	have sexual intercourse with
	round one's back by bending forward and drawing the shoulders forward