autochthony vs indigenousness

autochthony and indigenousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
autochthony	Yes	No	No	No
indigenousness	Yes	No	No	No

As nouns, autochthony and indigenousness are synonyms defined as:

autochthony and indigenousness: nativeness by virtue of originating or occurring naturally (as in a particular place)

Other synonyms of autochthony include endemism.

autochthony (noun)	indigenousness (noun)
nativeness by virtue of originating or occurring naturally (as in a particular place)	nativeness by virtue of originating or occurring naturally (as in a particular place)