porkfish vs grunt

porkfish and grunt both are nouns.

Word	Noun	Adjective	Verb	Adverb
porkfish	Yes	No	No	No
grunt	Yes	No	Yes	No

As nouns, grunt is a hypernym of porkfish; that is, grunt is a word with a broader meaning than porkfish:

porkfish: black and gold grunt found from Bermuda to Caribbean to Brazil
grunt: medium-sized tropical marine food fishes that utter grunting sounds when caught

porkfish (noun)	grunt (noun)
black and gold grunt found from Bermuda to Caribbean to Brazil	medium-sized tropical marine food fishes that utter grunting sounds when caught
	the short low gruff noise of the kind made by hogs
	an unskilled or low-ranking soldier or other worker

porkfish (verb)	grunt (verb)
	issue a grunting, low, animal-like noise