Celtis australis vs Mediterranean hackberry

Celtis australis and Mediterranean hackberry both are nouns.

Word	Noun	Adjective	Verb	Adverb
Celtis australis	Yes	No	No	No
Mediterranean hackberry	Yes	No	No	No

As nouns, Celtis australis and Mediterranean hackberry are synonyms defined as:

Celtis australis and Mediterranean hackberry: bright green deciduous shade tree of southern Europe

Other synonyms of Celtis australis include European hackberry.

Celtis australis (noun)	Mediterranean hackberry (noun)
bright green deciduous shade tree of southern Europe	bright green deciduous shade tree of southern Europe