shout vs verbalize

shout is a noun but verbalize is not a noun.

Word	Noun	Adjective	Verb	Adverb
shout	Yes	No	Yes	No
verbalize	No	No	Yes	No

As verbs, verbalize is a hypernym of shout; that is, verbalize is a word with a broader meaning than shout:

shout: utter in a loud voice; talk in a loud voice (usually denoting characteristic manner of speaking)
verbalize: express in speech

Other hypernyms of shout include mouth, speak, talk, utter, verbalise.

As verbs, verbalize is a hypernym of shout; that is, verbalize is a word with a broader meaning than shout:

Other hypernyms of shout include express, give tongue to, utter, verbalise.

shout (noun)	verbalize (noun)
a loud utterance; often in protest or opposition

shout (verb)	verbalize (verb)
utter in a loud voice; talk in a loud voice (usually denoting characteristic manner of speaking)	convert into a verb
utter a sudden loud cry	express in speech
utter aloud; often with surprise, horror, or joy	be verbose
use foul or abusive language towards	articulate; either verbally or with a cry, shout, or noise