Anglo-Norman vs French language

Anglo-Norman and French language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Anglo-Norman	Yes	No	No	No
French language	Yes	No	No	No

As nouns, French language is a hypernym of Anglo-Norman; that is, French language is a word with a broader meaning than Anglo-Norman:

Anglo-Norman: the French (Norman) language used in medieval England
French language: the Romance language spoken in France and in countries colonized by France

Other hypernyms of Anglo-Norman include French.

Anglo-Norman (noun)	French language (noun)
the French (Norman) language used in medieval England	the Romance language spoken in France and in countries colonized by France