promote vs favor

promote is not a noun while favor is a noun.

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

As verbs, favor is a hyponym of promote; that is, favor is a word with a more specific, narrower meaning than promote:

Other hyponyms of promote include tenure, bring up, spot promote, ennoble, entitle, gentle, favour, prefer, brevet.

promote (noun)	favor (noun)
	an act of gracious kindness
	souvenir consisting of a small gift given to a guest at a party
	an advantage to the benefit of someone or something
	an inclination to approve
	a feeling of favorable regard

promote (verb)	favor (verb)
make publicity for; try to sell (a product)	consider as the favorite
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	promote over another
be changed for a superior chess or checker piece	treat gently or carefully
give a promotion to or assign to a higher position	bestow a privilege upon
contribute to the progress or growth of