script vs alphabet

script and alphabet both are nouns.

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

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

script: a particular orthography or writing system
alphabet: a character set that includes letters and is used to write a language

script (noun)	alphabet (noun)
a written version of a play or other dramatic composition; used in preparing for a performance	the elementary stages of any subject (usually plural)
a particular orthography or writing system	a character set that includes letters and is used to write a language
something written by hand

script (verb)	alphabet (verb)
write a script for