Quercus mongolica vs Japanese oak

Quercus mongolica and Japanese oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
Quercus mongolica	Yes	No	No	No
Japanese oak	Yes	No	No	No

As nouns, Quercus mongolica and Japanese oak are synonyms defined as:

Quercus mongolica and Japanese oak: oak with moderately light fine-grained wood; Japan

Other synonyms of Quercus mongolica include Quercus grosseserrata.

Quercus mongolica (noun)	Japanese oak (noun)
oak with moderately light fine-grained wood; Japan	small evergreen tree of China and Japan
	oak with moderately light fine-grained wood; Japan