refuse vs disdain

refuse and disdain both are nouns.

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

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

Other hyponyms of refuse include freeze off, pooh-pooh, reject, scorn, spurn, turn down, contract out, regret, repudiate, disobey.

refuse (noun)	disdain (noun)
food that is discarded (as from a kitchen)	a communication that indicates lack of respect by patronizing the recipient
	lack of respect accompanied by a feeling of intense dislike

refuse (verb)	disdain (verb)
show unwillingness towards	reject with contempt
not accept as true	look down on with disdain
refuse to let have
refuse entrance or membership
elude, especially in a baffling way
resist immunologically the introduction of some foreign tissue or organ