energize vs sex activity

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

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

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

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