Muskogean vs Indian language

Muskogean and Indian language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Muskogean	Yes	No	No	No
Indian language	Yes	No	No	No

As nouns, Indian language is a hypernym of Muskogean; that is, Indian language is a word with a broader meaning than Muskogean:

Muskogean: a family of North American Indian languages spoken in the southeastern United States
Indian language: any of the languages spoken by Amerindians

Muskogean (noun)	Indian language (noun)
a family of North American Indian languages spoken in the southeastern United States	any of the languages spoken by Amerindians
a member of any of the peoples formerly living in southeastern United States and speaking Muskhogean languages