lecturer vs verbalizer

lecturer and verbalizer both are nouns.

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

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

lecturer: someone who lectures professionally
verbalizer: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

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

lecturer (noun)	verbalizer (noun)
someone who lectures professionally	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
a public lecturer at certain universities