Fortunella margarita vs nagami

Fortunella margarita and nagami both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fortunella margarita	Yes	No	No	No
nagami	Yes	No	No	No

As nouns, Fortunella margarita and nagami are synonyms defined as:

Other synonyms of Fortunella margarita include nagami kumquat, oval kumquat.

Fortunella margarita (noun)	nagami (noun)
shrub bearing oval-fruited kumquats	shrub bearing oval-fruited kumquats