Faeroese vs Scandinavian

Faeroese and Scandinavian both are nouns.

Word	Noun	Adjective	Verb	Adverb
Faeroese	Yes	No	No	No
Scandinavian	Yes	Yes	No	No

As nouns, Scandinavian is a hypernym of Faeroese; that is, Scandinavian is a word with a broader meaning than Faeroese:

Faeroese: a Scandinavian language (closely related to Icelandic) that is spoken on the Faroe Islands
Scandinavian: the northern family of Germanic languages that are spoken in Scandinavia and Iceland

Other hypernyms of Faeroese include Nordic, Norse, North Germanic, North Germanic language, Scandinavian language.

Faeroese (noun)	Scandinavian (noun)
a Scandinavian language (closely related to Icelandic) that is spoken on the Faroe Islands	the northern family of Germanic languages that are spoken in Scandinavia and Iceland
	an inhabitant of Scandinavia

Faeroese (adjective)	Scandinavian (adjective)
	of or relating to Scandinavia or its peoples or cultures