nagami kumquat vs oval kumquat

nagami kumquat and oval kumquat both are nouns.

Word	Noun	Adjective	Verb	Adverb
nagami kumquat	Yes	No	No	No
oval kumquat	Yes	No	No	No

As nouns, nagami kumquat and oval kumquat are synonyms defined as:

Other synonyms of nagami kumquat include Fortunella margarita, nagami.

nagami kumquat (noun)	oval kumquat (noun)
shrub bearing oval-fruited kumquats	shrub bearing oval-fruited kumquats