spite vs diss

spite is a noun but diss is not a noun.

Word	Noun	Adjective	Verb	Adverb
spite	Yes	No	Yes	No
diss	No	No	Yes	No

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

Other hyponyms of spite include affront, insult, lacerate, sting, abase, chagrin, humble, humiliate, mortify.

spite (noun)	diss (noun)
malevolence by virtue of being malicious or spiteful or nasty
feeling a need to see others suffer

spite (verb)	diss (verb)
hurt the feelings of	treat, mention, or speak to rudely