sexual practice vs energise

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

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

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

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