needle bush vs needlebush

needle bush and needlebush both are nouns.

Word	Noun	Adjective	Verb	Adverb
needle bush	Yes	No	No	No
needlebush	Yes	No	No	No

As nouns, needle bush and needlebush are synonyms defined as:

needle bush and needlebush: shrub with pungent rigid needle-shaped leaves and white flowers; eastern Australia

Other synonyms of needle bush include Hakea lissosperma, needle-bush.

needle bush (noun)	needlebush (noun)
shrub with pungent rigid needle-shaped leaves and white flowers; eastern Australia	shrub with pungent rigid needle-shaped leaves and white flowers; eastern Australia