scorn vs disdain

scorn and disdain both are nouns.

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

As nouns, scorn and disdain are synonyms defined as:

scorn and disdain: lack of respect accompanied by a feeling of intense dislike

Other synonyms of scorn include contempt, despite.

As verbs, scorn and disdain are synonyms defined as:

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

As verbs, scorn and disdain are synonyms defined as:

Other synonyms of scorn include contemn, despise.

scorn (noun)	disdain (noun)
open disrespect for a person or thing	a communication that indicates lack of respect by patronizing the recipient
lack of respect accompanied by a feeling of intense dislike	lack of respect accompanied by a feeling of intense dislike

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