writing vs redaction

writing and redaction both are nouns.

Word	Noun	Adjective	Verb	Adverb
writing	Yes	No	No	No
redaction	Yes	No	No	No

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

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

writing: the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect)
redaction: putting something (as a literary work or a legislative bill) into acceptable form

writing (noun)	redaction (noun)
the activity of putting something in written form	the act of putting something in writing
the act of creating written works	putting something (as a literary work or a legislative bill) into acceptable form
the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect)
letters or symbols that are written or imprinted on a surface to represent the sounds or words of a language
(usually plural) the collected work of an author