transliteration vs written text

transliteration and written text both are nouns.

Word	Noun	Adjective	Verb	Adverb
transliteration	Yes	No	No	No
written text	Yes	No	No	No

As nouns, written text is a hypernym of transliteration; that is, written text is a word with a broader meaning than transliteration:

transliteration: a transcription from one alphabet to another
written text: something written, especially copied from one medium to another, as a typewritten version of dictation

Other hypernyms of transliteration include transcription.

transliteration (noun)	written text (noun)
a transcription from one alphabet to another	something written, especially copied from one medium to another, as a typewritten version of dictation