Japanese carpet grass vs Manila grass

Japanese carpet grass and Manila grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese carpet grass	Yes	No	No	No
Manila grass	Yes	No	No	No

As nouns, Japanese carpet grass and Manila grass are synonyms defined as:

Japanese carpet grass and Manila grass: lawn grass common in the Philippines; grown also in United States

Other synonyms of Japanese carpet grass include Zoysia matrella.

Japanese carpet grass (noun)	Manila grass (noun)
lawn grass common in the Philippines; grown also in United States	lawn grass common in the Philippines; grown also in United States