brierwood vs briarwood

brierwood and briarwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
brierwood	Yes	No	No	No
briarwood	Yes	No	No	No

As nouns, brierwood and briarwood are synonyms defined as:

brierwood and briarwood: wood from the hard woody root of the briar Erica arborea; used to make tobacco pipes

Other synonyms of brierwood include brier-wood.

brierwood (noun)	briarwood (noun)
wood from the hard woody root of the briar Erica arborea; used to make tobacco pipes	wood from the hard woody root of the briar Erica arborea; used to make tobacco pipes