marumi vs marumi kumquat

marumi and marumi kumquat both are nouns.

Word	Noun	Adjective	Verb	Adverb
marumi	Yes	No	No	No
marumi kumquat	Yes	No	No	No

As nouns, marumi and marumi kumquat are synonyms defined as:

Other synonyms of marumi include Fortunella japonica, round kumquat.

marumi (noun)	marumi kumquat (noun)
shrub bearing round-fruited kumquats	shrub bearing round-fruited kumquats