yellow bunting vs yellowhammer

yellow bunting and yellowhammer both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow bunting	Yes	No	No	No
yellowhammer	Yes	No	No	No

As nouns, yellow bunting and yellowhammer are synonyms defined as:

yellow bunting and yellowhammer: European bunting the male being bright yellow

Other synonyms of yellow bunting include Emberiza citrinella.

yellow bunting (noun)	yellowhammer (noun)
European bunting the male being bright yellow	European bunting the male being bright yellow
	large flicker of eastern North America with a red neck and yellow undersurface to wings and tail