promote vs tenure

promote is not a noun while tenure is a noun.

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

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

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

promote (noun)	tenure (noun)
	the right to hold property; part of an ancient hierarchical system of holding lands
	the term during which some position is held

promote (verb)	tenure (verb)
make publicity for; try to sell (a product)	give life-time employment to
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