redbrush vs red dogwood

redbrush and red dogwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
redbrush	Yes	No	No	No
red dogwood	Yes	No	No	No

As nouns, redbrush and red dogwood are synonyms defined as:

redbrush and red dogwood: common North American shrub with reddish purple twigs and white flowers

Other synonyms of redbrush include American dogwood, Cornus stolonifera, red osier, red osier dogwood.

redbrush (noun)	red dogwood (noun)
common North American shrub with reddish purple twigs and white flowers	common North American shrub with reddish purple twigs and white flowers
	European deciduous shrub turning red in autumn having dull white flowers