haddock vs gadoid

haddock and gadoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
haddock	Yes	No	No	No
gadoid	Yes	No	No	No

As nouns, gadoid is a hypernym of haddock; that is, gadoid is a word with a broader meaning than haddock:

haddock: important food fish on both sides of the Atlantic; related to cod but usually smaller
gadoid: a soft-finned fish of the family Gadidae

Other hypernyms of haddock include gadoid fish.

haddock (noun)	gadoid (noun)
important food fish on both sides of the Atlantic; related to cod but usually smaller	a soft-finned fish of the family Gadidae
lean white flesh of fish similar to but smaller than cod; usually baked or poached or as fillets sauteed or fried