buzzard vs turkey vulture

buzzard and turkey vulture both are nouns.

Word	Noun	Adjective	Verb	Adverb
buzzard	Yes	No	No	No
turkey vulture	Yes	No	No	No

As nouns, buzzard and turkey vulture are synonyms defined as:

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

Other synonyms of buzzard include Cathartes aura, turkey buzzard.

buzzard (noun)	turkey vulture (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