American dogwood vs redbrush

American dogwood and redbrush both are nouns.

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

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

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

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

American dogwood (noun)	redbrush (noun)
common North American shrub with reddish purple twigs and white flowers	common North American shrub with reddish purple twigs and white flowers