coppice vs brushwood

coppice and brushwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
coppice	Yes	No	No	No
brushwood	Yes	No	No	No

As nouns, coppice and brushwood are synonyms defined as:

Other synonyms of coppice include brush, copse, thicket.

coppice (noun)	brushwood (noun)
a dense growth of bushes	a dense growth of bushes
	the wood from bushes or small branches