tarwood vs New Zealand mountain pine

tarwood and New Zealand mountain pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
tarwood	Yes	No	No	No
New Zealand mountain pine	Yes	No	No	No

As nouns, tarwood and New Zealand mountain pine are synonyms defined as:

Other synonyms of tarwood include Dacrydium bidwilli, Halocarpus bidwilli, tar-wood.

tarwood (noun)	New Zealand mountain pine (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