sex activity vs butt

sex activity and butt both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex activity	Yes	No	No	No
butt	Yes	No	Yes	No

sex activity (noun)	butt (noun)
activities associated with sexual intercourse	thick end of the handle
	the small unused part of something (especially the end of a cigarette that is left after smoking)
	a large cask (especially one holding a volume equivalent to 2 hogsheads or 126 gallons)
	sports equipment consisting of an object set up for a marksman or archer to aim at
	finely ground tobacco wrapped in paper; for smoking
	a joint made by fastening ends together without overlapping
	the fleshy part of the human body that you sit on
	a victim of ridicule or pranks
	the part of a plant from which the roots spring or the part of a stalk or trunk nearest the roots

sex activity (verb)	butt (verb)
	to strike, thrust or shove against
	place end to end without overlapping
	lie adjacent to another or share a boundary