storyteller vs verbaliser

storyteller and verbaliser both are nouns.

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

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

storyteller: someone who tells a story
verbaliser: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

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

storyteller (noun)	verbaliser (noun)
someone who tells a story	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
someone who tells lies