sexual activity vs tease

sexual activity and tease both are nouns.

Word	Noun	Adjective	Verb	Adverb
sexual activity	Yes	No	No	No
tease	Yes	No	Yes	No

sexual activity (noun)	tease (noun)
activities associated with sexual intercourse	the act of harassing someone playfully or maliciously (especially by ridicule); provoking someone with persistent annoyances
	someone given to teasing (as by mocking or stirring curiosity)
	a seductive woman who uses her sex appeal to exploit men

sexual activity (verb)	tease (verb)
	ruffle (one's hair) by combing the ends towards the scalp, for a full effect
	harass with persistent criticism or carping
	mock or make fun of playfully
	separate the fibers of
	disentangle and raise the fibers of
	raise the nap of (fabrics)
	tear into pieces
	annoy persistently
	to arouse hope, desire, or curiosity without satisfying them