albatross vs oceanic bird

albatross and oceanic bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
albatross	Yes	No	No	No
oceanic bird	Yes	No	No	No

As nouns, oceanic bird is a hypernym of albatross; that is, oceanic bird is a word with a broader meaning than albatross:

albatross: large web-footed birds of the Southern Hemisphere having long narrow wings; noted for powerful gliding flight
oceanic bird: bird of the open seas

Other hypernyms of albatross include pelagic bird.

albatross (noun)	oceanic bird (noun)
large web-footed birds of the Southern Hemisphere having long narrow wings; noted for powerful gliding flight	bird of the open seas
(figurative) something that hinders or handicaps