ABC's vs Hebrew script

ABC's and Hebrew script both are nouns.

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

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

ABC's: a character set that includes letters and is used to write a language
Hebrew script: a Semitic alphabet used since the 5th century BC for writing the Hebrew language (and later for writing Yiddish and Ladino)

ABC's (noun)	Hebrew script (noun)
a character set that includes letters and is used to write a language	a Semitic alphabet used since the 5th century BC for writing the Hebrew language (and later for writing Yiddish and Ladino)