red beech vs angiospermous tree

red beech and angiospermous tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
red beech	Yes	No	No	No
angiospermous tree	Yes	No	No	No

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

Other hypernyms of red beech include flowering tree.

red beech (noun)	angiospermous tree (noun)
North American forest tree with light green leaves and edible nuts	any tree having seeds and ovules contained in the ovary
large tree of Australasia