prattler vs verbaliser

prattler and verbaliser both are nouns.

Word	Noun	Adjective	Verb	Adverb
prattler	Yes	No	No	No
verbaliser	Yes	No	No	No

As nouns, verbaliser is a hypernym of prattler; that is, verbaliser is a word with a broader meaning than prattler:

prattler: someone who speaks in a childish way
verbaliser: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

Other hypernyms of prattler include speaker, talker, utterer, verbalizer.

prattler (noun)	verbaliser (noun)
someone who speaks in a childish way	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)