demote vs promote

demote and promote both are verbs.

Word	Noun	Adjective	Verb	Adverb
demote	No	No	Yes	No
promote	No	No	Yes	No

demote (verb)	promote (verb)
assign to a lower position; reduce in rank	make publicity for; try to sell (a product)
	change a pawn for a better piece by advancing it to the eighth row, or change a checker piece for a more valuable piece by moving it to the row closest to your opponent
	be changed for a superior chess or checker piece
	give a promotion to or assign to a higher position
	contribute to the progress or growth of