giant chinkapin vs Castanopsis chrysophylla

giant chinkapin and Castanopsis chrysophylla both are nouns.

Word	Noun	Adjective	Verb	Adverb
giant chinkapin	Yes	No	No	No
Castanopsis chrysophylla	Yes	No	No	No

As nouns, giant chinkapin and Castanopsis chrysophylla are synonyms defined as:

giant chinkapin and Castanopsis chrysophylla: small ornamental evergreen tree of Pacific Coast whose glossy yellow-green leaves are yellow beneath; bears edible nuts

Other synonyms of giant chinkapin include Castanea chrysophylla, Chrysolepis chrysophylla, golden chinkapin.

giant chinkapin (noun)	Castanopsis chrysophylla (noun)
small ornamental evergreen tree of Pacific Coast whose glossy yellow-green leaves are yellow beneath; bears edible nuts	small ornamental evergreen tree of Pacific Coast whose glossy yellow-green leaves are yellow beneath; bears edible nuts