angiosperm vs exogen

angiosperm and exogen both are nouns.

Word	Noun	Adjective	Verb	Adverb
angiosperm	Yes	No	No	No
exogen	Yes	No	No	No

As nouns, exogen is a hyponym of angiosperm; that is, exogen is a word with a more specific, narrower meaning than angiosperm:

angiosperm: plants having seeds in a closed ovary
exogen: flowering plant with two cotyledons; the stem grows by deposit on its outside

angiosperm (noun)	exogen (noun)
plants having seeds in a closed ovary	flowering plant with two cotyledons; the stem grows by deposit on its outside