spurn vs disdain

spurn is not a noun while disdain is a noun.

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

As verbs, spurn and disdain are synonyms defined as:

Other synonyms of spurn include freeze off, pooh-pooh, reject, scorn, turn down.

spurn (noun)	disdain (noun)
	a communication that indicates lack of respect by patronizing the recipient
	lack of respect accompanied by a feeling of intense dislike

spurn (verb)	disdain (verb)
reject with contempt	reject with contempt
	look down on with disdain