American Indian language vs Amerind language

American Indian language and Amerind language both are nouns.

Word	Noun	Adjective	Verb	Adverb
American Indian language	Yes	No	No	No
Amerind language	Yes	No	No	No

As nouns, American Indian language and Amerind language are synonyms defined as:

American Indian language and Amerind language: any of the languages spoken by Amerindians

Other synonyms of American Indian language include American-Indian language, American Indian, Amerind, Amerindian language, Indian, Indian language.

American Indian language (noun)	Amerind language (noun)
any of the languages spoken by Amerindians	any of the languages spoken by Amerindians