spouter vs verbalizer

spouter and verbalizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
spouter	Yes	No	No	No
verbalizer	Yes	No	No	No

As nouns, verbalizer is a hypernym of spouter; that is, verbalizer is a word with a broader meaning than spouter:

spouter: an obnoxious and foolish and loquacious talker
verbalizer: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

Other hypernyms of spouter include speaker, talker, utterer, verbaliser.

spouter (noun)	verbalizer (noun)
a spouting whale	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
an oil well that is spouting
an obnoxious and foolish and loquacious talker