Pacific cod vs cod

Pacific cod and cod both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pacific cod	Yes	No	No	No
cod	Yes	Yes	Yes	No

As nouns, cod is a hypernym of Pacific cod; that is, cod is a word with a broader meaning than Pacific cod:

Other hypernyms of Pacific cod include codfish.

Pacific cod (noun)	cod (noun)
closely related to Atlantic cod	major food fish of Arctic and cold-temperate waters
	lean white flesh of important North Atlantic food fish; usually baked or poached
	the vessel that contains the seeds of a plant (not the seeds themselves)

Pacific cod (adjective)	cod (adjective)
	payable by the recipient on delivery

Pacific cod (verb)	cod (verb)
	harass with persistent criticism or carping
	fool or hoax