Aboriginal Australian language vs Aboriginal Australian

Aboriginal Australian language and Aboriginal Australian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aboriginal Australian language	Yes	No	No	No
Aboriginal Australian	Yes	No	No	No

As nouns, Aboriginal Australian language and Aboriginal Australian are synonyms defined as:

Aboriginal Australian language and Aboriginal Australian: the Austronesian languages spoken by Australian aborigines

Other synonyms of Aboriginal Australian language include Australian, Australian language.

Aboriginal Australian language (noun)	Aboriginal Australian (noun)
the Austronesian languages spoken by Australian aborigines	the Austronesian languages spoken by Australian aborigines