petchary vs grey kingbird

petchary and grey kingbird both are nouns.

Word	Noun	Adjective	Verb	Adverb
petchary	Yes	No	No	No
grey kingbird	Yes	No	No	No

As nouns, petchary and grey kingbird are synonyms defined as:

petchary and grey kingbird: a kingbird that breeds in the southeastern United States and winters in tropical America; similar to but larger than the eastern kingbird

Other synonyms of petchary include gray kingbird, Tyrannus domenicensis domenicensis.

petchary (noun)	grey kingbird (noun)
a kingbird that breeds in the southeastern United States and winters in tropical America; similar to but larger than the eastern kingbird	a kingbird that breeds in the southeastern United States and winters in tropical America; similar to but larger than the eastern kingbird