stinkbird vs hoatzin

stinkbird and hoatzin both are nouns.

Word	Noun	Adjective	Verb	Adverb
stinkbird	Yes	No	No	No
hoatzin	Yes	No	No	No

As nouns, stinkbird and hoatzin are synonyms defined as:

stinkbird and hoatzin: crested ill-smelling South American bird whose young have claws on the first and second digits of the wings

Other synonyms of stinkbird include hoactzin, Opisthocomus hoazin.

stinkbird (noun)	hoatzin (noun)
crested ill-smelling South American bird whose young have claws on the first and second digits of the wings	crested ill-smelling South American bird whose young have claws on the first and second digits of the wings