elevate vs leaven

elevate is not a noun while leaven is a noun.

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

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

elevate (noun)	leaven (noun)
	an influence that works subtly to lighten or modify something
	a substance used to produce fermentation in dough or a liquid

elevate (verb)	leaven (verb)
raise in rank or condition	cause to puff up with a leaven
raise from a lower to a higher position
give a promotion to or assign to a higher position