Algonquian vs Algonquin

Algonquian and Algonquin both are nouns.

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

As adjectives, Algonquian and Algonquin are synonyms defined as:

Algonquian and Algonquin: of or relating to an Algonquian tribe or its people or language

Other synonyms of Algonquian include Algonkian.

As nouns, Algonquian and Algonquin are synonyms defined as:

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

Other synonyms of Algonquian include Algonquian language.

As nouns, Algonquian and Algonquin are synonyms defined as:

Algonquian and 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

Algonquian (noun)	Algonquin (noun)
family of North American Indian languages spoken from Labrador to South Carolina and west to the Great Plains	family of North American Indian languages spoken from Labrador to South Carolina and west to the Great Plains
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 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

Algonquian (adjective)	Algonquin (adjective)
of or relating to an Algonquian tribe or its people or language	of or relating to an Algonquian tribe or its people or language