proclaim vs hymn

proclaim is not a noun while hymn is a noun.

Word	Noun	Adjective	Verb	Adverb
proclaim	No	No	Yes	No
hymn	Yes	No	Yes	No

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

Other hyponyms of proclaim include canonise, canonize, ensky, crack up.

proclaim (noun)	hymn (noun)
	a song of praise (to God or to a saint or to a nation)

proclaim (verb)	hymn (verb)
state or announce	praise by singing a hymn
praise, glorify, or honor	sing a hymn
declare formally; declare someone to be something; of titles
affirm or declare as an attribute or quality of