Latin alphabet vs ABCs

Latin alphabet and ABCs both are nouns.

Word	Noun	Adjective	Verb	Adverb
Latin alphabet	Yes	No	No	No
ABCs	Yes	No	No	No

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

Latin alphabet: the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe
ABCs: a character set that includes letters and is used to write a language

Other hypernyms of Latin alphabet include ABC's, ABC, alphabet, bicameral script.

Latin alphabet (noun)	ABCs (noun)
the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe	a character set that includes letters and is used to write a language