amerindian

As a noun amerindian is

an american indian.

As nouns the difference between amerindian and araucanization

is that amerindian is an american indian while araucanization is the process of expansion of the mapudungun language and others elements of the mapuche culture from their homeland araucania into the plains of patagonia, so as to assimilate such other native amerindian peoples as the puelches and tehuelches.