redact vs modify

redact is a noun but modify is not a noun.

Word	Noun	Adjective	Verb	Adverb
redact	Yes	No	Yes	No
modify	No	No	Yes	No

As verbs, modify is a hypernym of redact; that is, modify is a word with a broader meaning than redact:

redact: prepare for publication or presentation by correcting, revising, or adapting
modify: cause to change; make different; cause a transformation

Other hypernyms of redact include alter, change.

redact (noun)	modify (noun)
someone who puts text into appropriate form for publication

redact (verb)	modify (verb)
prepare for publication or presentation by correcting, revising, or adapting	make less severe or harsh or extreme
formulate in a particular style or language	add a modifier to a constituent
	cause to change; make different; cause a transformation