give voice vs couch

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

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

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

Other hyponyms of give voice include ask, lexicalise, lexicalize, dogmatise, dogmatize, formularise, formularize, cast, frame, put, redact.

give voice (noun)	couch (noun)
	an upholstered seat for more than one person
	a narrow bed on which a patient lies during psychiatric or psychoanalytic treatment
	a flat coat of paint or varnish used by artists as a primer

give voice (verb)	couch (verb)
put into words or an expression	formulate in a particular style or language