ejaculator vs verbaliser

ejaculator and verbaliser both are nouns.

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

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

ejaculator: a speaker who utters a sudden exclamation
verbaliser: someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)

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

ejaculator (noun)	verbaliser (noun)
a speaker who utters a sudden exclamation	someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
a man who ejaculates semen