ejaculate vs utter

ejaculate is a noun but utter is not a noun.

Word	Noun	Adjective	Verb	Adverb
ejaculate	Yes	No	Yes	No
utter	No	Yes	Yes	No

As verbs, utter is a hypernym of ejaculate; that is, utter is a word with a broader meaning than ejaculate:

Other hypernyms of ejaculate include mouth, speak, talk, verbalise, verbalize.

ejaculate (noun)	utter (noun)
the thick white fluid containing spermatozoa that is ejaculated by the male genital tract

ejaculate (adjective)	utter (adjective)
	complete and absolute
	without qualification; used informally as (often pejorative) intensifiers

ejaculate (verb)	utter (verb)
eject semen	express in speech
utter impulsively	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation