promotion vs promote

promotion is a noun but promote is not a noun.

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

promotion (noun)	promote (noun)
act of raising in rank or position
the advancement of some enterprise
a message issued in behalf of some product or cause or idea or person or institution
encouragement of the progress or growth or acceptance of something

promotion (verb)	promote (verb)
	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