energize vs sexual activity

energize is not a noun while sexual activity is a noun.

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

energize (noun)	sexual activity (noun)
	activities associated with sexual intercourse

energize (verb)	sexual activity (verb)
cause to be alert and energetic
raise to a higher energy level