snub vs disdain

snub and disdain both are nouns.

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

As verbs, disdain is a hypernym of snub; that is, disdain is a word with a broader meaning than snub:

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

snub (noun)	disdain (noun)
a refusal to recognize someone you know	a communication that indicates lack of respect by patronizing the recipient
an instance of driving away or warding off	lack of respect accompanied by a feeling of intense dislike

snub (adjective)	disdain (adjective)
unusually short

snub (verb)	disdain (verb)
reject outright and bluntly	reject with contempt
refuse to acknowledge	look down on with disdain