give voice vs word

give voice is not a noun while word is a noun.

Word	Noun	Adjective	Verb	Adverb
give voice	No	No	Yes	No
word	Yes	No	Yes	No

As verbs, give voice and word are synonyms defined as:

Other synonyms of give voice include articulate, formulate, phrase.

give voice (noun)	word (noun)
	a unit of language that native speakers can identify
	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

give voice (verb)	word (verb)
put into words or an expression	put into words or an expression