copyedit vs redact

copyedit is not a noun while redact is a noun.

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

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

copyedit: edit and correct (written or printed material)
redact: prepare for publication or presentation by correcting, revising, or adapting

Other hypernyms of copyedit include edit.

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

copyedit (verb)	redact (verb)
edit and correct (written or printed material)	prepare for publication or presentation by correcting, revising, or adapting
	formulate in a particular style or language