Holy Scripture vs sacred text

Holy Scripture and sacred text both are nouns.

Word	Noun	Adjective	Verb	Adverb
Holy Scripture	Yes	No	No	No
sacred text	Yes	No	No	No

As nouns, sacred text is a hypernym of Holy Scripture; that is, sacred text is a word with a broader meaning than Holy Scripture:

Other hypernyms of Holy Scripture include religious text, religious writing, sacred writing.

Holy Scripture (noun)	sacred text (noun)
the sacred writings of the Christian religions	writing that is venerated for the worship of a deity