Quercus ilex vs holm oak

Quercus ilex and holm oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
Quercus ilex	Yes	No	No	No
holm oak	Yes	No	No	No

As nouns, Quercus ilex and holm oak are synonyms defined as:

Quercus ilex and holm oak: evergreen oak of southern Europe having leaves somewhat resembling those of holly; yields a hard wood

Other synonyms of Quercus ilex include evergreen oak, holly-leaved oak, holm tree.

Quercus ilex (noun)	holm oak (noun)
evergreen oak of southern Europe having leaves somewhat resembling those of holly; yields a hard wood	evergreen oak of southern Europe having leaves somewhat resembling those of holly; yields a hard wood
	hard wood of the holm oak tree