blood-twig vs cornel

blood-twig and cornel both are nouns.

Word	Noun	Adjective	Verb	Adverb
blood-twig	Yes	No	No	No
cornel	Yes	No	No	No

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

blood-twig: European deciduous shrub turning red in autumn having dull white flowers
cornel: a tree of shrub of the genus Cornus often having showy bracts resembling flowers

Other hypernyms of blood-twig include dogwood, dogwood tree.

blood-twig (noun)	cornel (noun)
European deciduous shrub turning red in autumn having dull white flowers	a tree of shrub of the genus Cornus often having showy bracts resembling flowers