indigen vs aboriginal

indigen and aboriginal both are nouns.

Word	Noun	Adjective	Verb	Adverb
indigen	Yes	No	No	No
aboriginal	Yes	Yes	No	No

As nouns, indigen and aboriginal are synonyms defined as:

indigen and aboriginal: an indigenous person who was born in a particular place

Other synonyms of indigen include aborigine, indigene, native.

indigen (noun)	aboriginal (noun)
an indigenous person who was born in a particular place	an indigenous person who was born in a particular place

indigen (adjective)	aboriginal (adjective)
	characteristic of or relating to people inhabiting a region from the beginning
	having existed from the beginning; in an earliest or original stage or state