sex activity vs seat

sex activity and seat both are nouns.

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

sex activity (noun)	seat (noun)
activities associated with sexual intercourse	any support where you can sit (especially the part of a chair or bench etc. on which you sit)
	furniture that is designed for sitting on
	the cloth covering for the buttocks
	a part of a machine that supports or guides another part
	the legal right to sit as a member in a legislative or similar body
	the fleshy part of the human body that you sit on
	a center of authority (as a city from which authority is exercised)
	a space reserved for sitting (as in a theater or on a train or airplane)
	the location (metaphorically speaking) where something is based

sex activity (verb)	seat (verb)
	show to a seat; assign a seat for
	place or attach firmly in or on a base
	place in or on a seat
	provide with seats
	put a seat on a chair
	place ceremoniously or formally in an office or position
	be able to seat