talker vs verbaliser

talker and verbaliser both are nouns.

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

As nouns, talker and verbaliser are synonyms defined as:

talker and verbaliser: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

Other synonyms of talker include speaker, utterer, verbalizer.

talker (noun)	verbaliser (noun)
someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)