Citrus bergamia vs bergamot orange

Citrus bergamia and bergamot orange both are nouns.

Word	Noun	Adjective	Verb	Adverb
Citrus bergamia	Yes	No	No	No
bergamot orange	Yes	No	No	No

As nouns, Citrus bergamia and bergamot orange are synonyms defined as:

Citrus bergamia and bergamot orange: small tree with pear-shaped fruit whose oil is used in perfumery; Italy

Other synonyms of Citrus bergamia include bergamot.

Citrus bergamia (noun)	bergamot orange (noun)
small tree with pear-shaped fruit whose oil is used in perfumery; Italy	small tree with pear-shaped fruit whose oil is used in perfumery; Italy