sexual practice vs flirt

sexual practice and flirt both are nouns.

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

sexual practice (noun)	flirt (noun)
activities associated with sexual intercourse	playful behavior intended to arouse sexual interest
	a seductive woman who uses her sex appeal to exploit men

sexual practice (verb)	flirt (verb)
	talk or behave amorously, without serious intentions
	behave carelessly or indifferently