promote vs ennoble

promote and ennoble both are verbs.

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

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

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

promote (verb)	ennoble (verb)
make publicity for; try to sell (a product)	give a title to someone; make someone a member of the nobility
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	confer dignity or honor upon
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