Quercus variabilis vs Chinese cork oak

Quercus variabilis and Chinese cork oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
Quercus variabilis	Yes	No	No	No
Chinese cork oak	Yes	No	No	No

As nouns, Quercus variabilis and Chinese cork oak are synonyms defined as:

Quercus variabilis and Chinese cork oak: medium to large deciduous tree of China, Japan, and Korea having thick corky bark

Quercus variabilis (noun)	Chinese cork oak (noun)
medium to large deciduous tree of China, Japan, and Korea having thick corky bark	medium to large deciduous tree of China, Japan, and Korea having thick corky bark