giant chinkapin vs Castanea chrysophylla

giant chinkapin and Castanea chrysophylla both are nouns.

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

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

giant chinkapin and Castanea 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 Castanopsis chrysophylla, Chrysolepis chrysophylla, golden chinkapin.

giant chinkapin (noun)	Castanea 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