sexual activity vs ejaculate

sexual activity and ejaculate both are nouns.

Word	Noun	Adjective	Verb	Adverb
sexual activity	Yes	No	No	No
ejaculate	Yes	No	Yes	No

sexual activity (noun)	ejaculate (noun)
activities associated with sexual intercourse	the thick white fluid containing spermatozoa that is ejaculated by the male genital tract

sexual activity (verb)	ejaculate (verb)
	eject semen
	utter impulsively