talker vs verbalizer

talker and verbalizer both are nouns.

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

As nouns, talker and verbalizer are synonyms defined as:

talker and verbalizer: 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, verbaliser.

talker (noun)	verbalizer (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)