dishonour vs refuse

dishonour and refuse both are nouns.

Word	Noun	Adjective	Verb	Adverb
dishonour	Yes	No	Yes	No
refuse	Yes	No	Yes	No

As verbs, refuse is a hypernym of dishonour; that is, refuse is a word with a broader meaning than dishonour:

Other hypernyms of dishonour include decline, pass up, reject, turn down.

dishonour (noun)	refuse (noun)
lacking honor or integrity	food that is discarded (as from a kitchen)
a state of shame or disgrace

dishonour (verb)	refuse (verb)
refuse to accept	show unwillingness towards
bring shame or dishonor upon	not accept as true
force (someone) to have sex against their will	refuse to let have
	refuse entrance or membership
	elude, especially in a baffling way
	resist immunologically the introduction of some foreign tissue or organ