ennoble vs knight

ennoble is not a noun while knight is a noun.

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

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

Other hyponyms of ennoble include baronetise, baronetize, lord, dub.

ennoble (noun)	knight (noun)
	a chessman shaped to resemble the head of a horse; can move two squares horizontally and one vertically (or vice versa)
	originally a person of noble birth trained to arms and chivalry; today in Great Britain a person honored by the sovereign for personal merit

ennoble (verb)	knight (verb)
give a title to someone; make someone a member of the nobility	raise (someone) to knighthood
confer dignity or honor upon