word vs redact

word and redact both are nouns.

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

As verbs, redact is a hyponym of word; that is, redact is a word with a more specific, narrower meaning than word:

word (noun)	redact (noun)
a unit of language that native speakers can identify	someone who puts text into appropriate form for publication
a promise
information about recent and important events
a brief statement
an exchange of views on some topic
a secret word or phrase known only to a restricted group
a verbal command for action
a string of bits stored in computer memory

word (verb)	redact (verb)
put into words or an expression	prepare for publication or presentation by correcting, revising, or adapting
	formulate in a particular style or language