redbrush vs cornel

redbrush and cornel both are nouns.

Word	Noun	Adjective	Verb	Adverb
redbrush	Yes	No	No	No
cornel	Yes	No	No	No

As nouns, cornel is a hypernym of redbrush; that is, cornel is a word with a broader meaning than redbrush:

redbrush: common North American shrub with reddish purple twigs and white flowers
cornel: a tree of shrub of the genus Cornus often having showy bracts resembling flowers

Other hypernyms of redbrush include dogwood, dogwood tree.

redbrush (noun)	cornel (noun)
common North American shrub with reddish purple twigs and white flowers	a tree of shrub of the genus Cornus often having showy bracts resembling flowers