script vs ABC's

script and ABC's both are nouns.

Word	Noun	Adjective	Verb	Adverb
script	Yes	No	Yes	No
ABC's	Yes	No	No	No

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

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

script (noun)	ABC's (noun)
a written version of a play or other dramatic composition; used in preparing for a performance	a character set that includes letters and is used to write a language
a particular orthography or writing system
something written by hand

script (verb)	ABC's (verb)
write a script for