Armenian alphabet vs ABCs

Armenian alphabet and ABCs both are nouns.

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

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

Armenian alphabet: a writing system having an alphabet of 38 letters in which the Armenian language is written
ABCs: a character set that includes letters and is used to write a language

Other hypernyms of Armenian alphabet include ABC's, ABC, alphabet.

Armenian alphabet (noun)	ABCs (noun)
a writing system having an alphabet of 38 letters in which the Armenian language is written	a character set that includes letters and is used to write a language