Cathartes aura vs buzzard

Cathartes aura and buzzard both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cathartes aura	Yes	No	No	No
buzzard	Yes	No	No	No

As nouns, Cathartes aura and buzzard are synonyms defined as:

Cathartes aura and buzzard: a New World vulture that is common in South America and Central America and the southern United States

Other synonyms of Cathartes aura include turkey buzzard, turkey vulture.

Cathartes aura (noun)	buzzard (noun)
a New World vulture that is common in South America and Central America and the southern United States	a New World vulture that is common in South America and Central America and the southern United States
	the common European short-winged hawk