shout out vs hurrah

shout out is not a noun while hurrah is a noun.

Word	Noun	Adjective	Verb	Adverb
shout out	No	No	Yes	No
hurrah	Yes	No	Yes	No

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

Other hyponyms of shout out include hollo, halloo, whoop, pipe, pipe up, shriek, shrill, howl, roar, ululate, wail, yaup, yawl, screak, screech, skreak, skreigh, squawk.

shout out (noun)	hurrah (noun)
	a victory cheer

shout out (verb)	hurrah (verb)
utter a sudden loud cry	shout `hurrah!'
utter in a very loud voice