charge up vs sexual practice

charge up is not a noun while sexual practice is a noun.

Word	Noun	Adjective	Verb	Adverb
charge up	No	No	Yes	No
sexual practice	Yes	No	No	No

charge up (noun)	sexual practice (noun)
	activities associated with sexual intercourse

charge up (verb)	sexual practice (verb)
cause to be agitated, excited, or roused