needle-wood vs needle wood

needle-wood and needle wood both are nouns.

Word	Noun	Adjective	Verb	Adverb
needle-wood	Yes	No	No	No
needle wood	Yes	No	No	No

As nouns, needle-wood and needle wood are synonyms defined as:

needle-wood and needle wood: large bushy shrub with pungent pointed leaves and creamy white flowers; central and eastern Australia

Other synonyms of needle-wood include Hakea leucoptera, needlewood.

needle-wood (noun)	needle wood (noun)
large bushy shrub with pungent pointed leaves and creamy white flowers; central and eastern Australia	large bushy shrub with pungent pointed leaves and creamy white flowers; central and eastern Australia