Late Latin vs Latin

Late Latin and Latin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Late Latin	Yes	No	No	No
Latin	Yes	Yes	No	No

As nouns, Latin is a hypernym of Late Latin; that is, Latin is a word with a broader meaning than Late Latin:

Late Latin (noun)	Latin (noun)
the form of Latin written between the 3rd and 8th centuries	any dialect of the language of ancient Rome
	a person who is a member of those peoples whose languages derived from Latin
	an inhabitant of ancient Latium

Late Latin (adjective)	Latin (adjective)
	of or relating to the ancient Latins or the Latin language
	of or relating to the ancient region of Latium
	relating to languages derived from Latin
	relating to people or countries speaking Romance languages