sexual practice vs energize

sexual practice is a noun but energize is not a noun.

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

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

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