cornel vs angiospermous tree

cornel and angiospermous tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
cornel	Yes	No	No	No
angiospermous tree	Yes	No	No	No

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

cornel: a tree of shrub of the genus Cornus often having showy bracts resembling flowers
angiospermous tree: any tree having seeds and ovules contained in the ovary

Other hypernyms of cornel include flowering tree.

cornel (noun)	angiospermous tree (noun)
a tree of shrub of the genus Cornus often having showy bracts resembling flowers	any tree having seeds and ovules contained in the ovary