Algonquin vs Abnaki

Algonquin and Abnaki both are nouns.

Word	Noun	Adjective	Verb	Adverb
Algonquin	Yes	Yes	No	No
Abnaki	Yes	Yes	No	No

As nouns, Abnaki is a hyponym of Algonquin; that is, Abnaki is a word with a more specific, narrower meaning than Algonquin:

Algonquin: family of North American Indian languages spoken from Labrador to South Carolina and west to the Great Plains
Abnaki: the Algonquian language spoken by the Abnaki and Penobscot

As nouns, Abnaki is a hyponym of Algonquin; that is, Abnaki is a word with a more specific, narrower meaning than Algonquin:

Algonquin: a member of any of the North American Indian groups speaking an Algonquian language and originally living in the subarctic regions of eastern Canada; many Algonquian tribes migrated south into the woodlands from the Mississippi River to the Atlantic coast
Abnaki: a member of the Algonquian people of Maine and southern Quebec

Algonquin (noun)	Abnaki (noun)
family of North American Indian languages spoken from Labrador to South Carolina and west to the Great Plains	the Algonquian language spoken by the Abnaki and Penobscot
a member of any of the North American Indian groups speaking an Algonquian language and originally living in the subarctic regions of eastern Canada; many Algonquian tribes migrated south into the woodlands from the Mississippi River to the Atlantic coast	a member of the Algonquian people of Maine and southern Quebec

Algonquin (adjective)	Abnaki (adjective)
of or relating to an Algonquian tribe or its people or language	of or relating to the Abnakis or their language