ennoble vs honour

ennoble is not a noun while honour is a noun.

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

As verbs, honour is a hypernym of ennoble; that is, honour is a word with a broader meaning than ennoble:

Other hypernyms of ennoble include honor, reward.

ennoble (noun)	honour (noun)
	the quality of being honorable and having a good name
	a woman's virtue or chastity
	a tangible symbol signifying approval or distinction
	the state of being honored

ennoble (verb)	honour (verb)
give a title to someone; make someone a member of the nobility	accept as pay
confer dignity or honor upon	bestow honor or rewards upon
	show respect towards