endemism vs indigenousness

endemism and indigenousness both are nouns.

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

As nouns, endemism and indigenousness are synonyms defined as:

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

Other synonyms of endemism include autochthony.

endemism (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)