dictator vs verbalizer

dictator and verbalizer both are nouns.

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

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

dictator: a speaker who dictates to a secretary or a recording machine
verbalizer: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

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

dictator (noun)	verbalizer (noun)
a ruler who is unconstrained by law	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
a person who behaves in a tyrannical manner
a speaker who dictates to a secretary or a recording machine