brevet vs elevate

brevet is a noun but elevate is not a noun.

Word	Noun	Adjective	Verb	Adverb
brevet	Yes	No	Yes	No
elevate	No	No	Yes	No

As verbs, elevate is a hypernym of brevet; that is, elevate is a word with a broader meaning than brevet:

Other hypernyms of brevet include advance, kick upstairs, promote, raise, upgrade.

brevet (noun)	elevate (noun)
a document entitling a commissioned officer to hold a higher rank temporarily (but without higher pay)

brevet (verb)	elevate (verb)
promote somebody by brevet, in the military	raise in rank or condition
	raise from a lower to a higher position
	give a promotion to or assign to a higher position