oilbird vs guacharo

oilbird and guacharo both are nouns.

Word	Noun	Adjective	Verb	Adverb
oilbird	Yes	No	No	No
guacharo	Yes	No	No	No

As nouns, oilbird and guacharo are synonyms defined as:

oilbird and guacharo: nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter

Other synonyms of oilbird include Steatornis caripensis.

oilbird (noun)	guacharo (noun)
nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter	nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter