full moon maple vs Japanese maple

full moon maple and Japanese maple both are nouns.

Word	Noun	Adjective	Verb	Adverb
full moon maple	Yes	No	No	No
Japanese maple	Yes	No	No	No

As nouns, full moon maple and Japanese maple are synonyms defined as:

full moon maple and Japanese maple: leaves deeply incised and bright red in autumn; Japan

Other synonyms of full moon maple include Acer japonicum.

full moon maple (noun)	Japanese maple (noun)
leaves deeply incised and bright red in autumn; Japan	leaves deeply incised and bright red in autumn; Japan
	ornamental shrub or small tree of Japan and Korea with deeply incised leaves; cultivated in many varieties