stentor vs verbaliser

stentor and verbaliser both are nouns.

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

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

stentor: a speaker with an unusually loud voice
verbaliser: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

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

stentor (noun)	verbaliser (noun)
any of several trumpet-shaped ciliate protozoans that are members of the genus Stentor	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
a speaker with an unusually loud voice