tar-wood vs tarwood

tar-wood and tarwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
tar-wood	Yes	No	No	No
tarwood	Yes	No	No	No

As nouns, tar-wood and tarwood are synonyms defined as:

Other synonyms of tar-wood include Dacrydium bidwilli, Halocarpus bidwilli, New Zealand mountain pine.

As nouns, tar-wood and tarwood are synonyms defined as:

tar-wood and tarwood: New Zealand silver pine of conical habit with long slender flexuous branches; adapted to cold wet summers and high altitudes

Other synonyms of tar-wood include Dacrydium colensoi.

tar-wood (noun)	tarwood (noun)
New Zealand shrub	New Zealand shrub
New Zealand silver pine of conical habit with long slender flexuous branches; adapted to cold wet summers and high altitudes	New Zealand silver pine of conical habit with long slender flexuous branches; adapted to cold wet summers and high altitudes