basics vs alphabet

basics and alphabet both are nouns.

Word	Noun	Adjective	Verb	Adverb
basics	Yes	No	No	No
alphabet	Yes	No	No	No

As nouns, alphabet is a hyponym of basics; that is, alphabet is a word with a more specific, narrower meaning than basics:

Other hyponyms of basics include first principles, rudiments.

basics (noun)	alphabet (noun)
principles from which other truths can be derived	the elementary stages of any subject (usually plural)
a statement of fundamental facts or principles	a character set that includes letters and is used to write a language