Castanea pumila vs eastern chinquapin

Castanea pumila and eastern chinquapin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Castanea pumila	Yes	No	No	No
eastern chinquapin	Yes	No	No	No

As nouns, Castanea pumila and eastern chinquapin are synonyms defined as:

Castanea pumila and eastern chinquapin: shrubby chestnut tree of southeastern United States having small edible nuts

Other synonyms of Castanea pumila include Allegheny chinkapin, chinquapin, dwarf chestnut.

Castanea pumila (noun)	eastern chinquapin (noun)
shrubby chestnut tree of southeastern United States having small edible nuts	shrubby chestnut tree of southeastern United States having small edible nuts