brier-wood vs brierwood

brier-wood and brierwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
brier-wood	Yes	No	No	No
brierwood	Yes	No	No	No

As nouns, brier-wood and brierwood are synonyms defined as:

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

Other synonyms of brier-wood include briarwood.

brier-wood (noun)	brierwood (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