Aussie vs Aborigine

Aussie and Aborigine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aussie	Yes	No	No	No
Aborigine	Yes	No	No	No

As nouns, Aborigine is a hyponym of Aussie; that is, Aborigine is a word with a more specific, narrower meaning than Aussie:

Aussie: a native or inhabitant of Australia
Aborigine: a member of the people living in Australia when Europeans arrived

Other hyponyms of Aussie include Australian Aborigine, native Australian, Abo.

Aussie (noun)	Aborigine (noun)
a native or inhabitant of Australia	a member of the people living in Australia when Europeans arrived