Quercus suber vs cork oak

Quercus suber and cork oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
Quercus suber	Yes	No	No	No
cork oak	Yes	No	No	No

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

Quercus suber and cork oak: medium-sized evergreen oak of southern Europe and northern Africa having thick corky bark that is periodically stripped to yield commercial cork

Quercus suber (noun)	cork oak (noun)
medium-sized evergreen oak of southern Europe and northern Africa having thick corky bark that is periodically stripped to yield commercial cork	medium-sized evergreen oak of southern Europe and northern Africa having thick corky bark that is periodically stripped to yield commercial cork