exogen vs Cyrilliaceae

exogen and Cyrilliaceae both are nouns.

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

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

exogen: flowering plant with two cotyledons; the stem grows by deposit on its outside
Cyrilliaceae: shrubs and trees with leathery leaves and small white flowers in racemes: genera Cyrilla and Cliftonia

exogen (noun)	Cyrilliaceae (noun)
flowering plant with two cotyledons; the stem grows by deposit on its outside	shrubs and trees with leathery leaves and small white flowers in racemes: genera Cyrilla and Cliftonia