discord vs disaccord

discord is a noun but disaccord is not a noun.

Word	Noun	Adjective	Verb	Adverb
discord	Yes	No	Yes	No
disaccord	No	No	Yes	No

As verbs, discord and disaccord are synonyms defined as:

Other synonyms of discord include disagree.

discord (noun)	disaccord (noun)
strife resulting from a lack of agreement
a harsh mixture of sounds
disagreement among those expected to cooperate
lack of agreement or harmony

discord (verb)	disaccord (verb)
be different from one another	be different from one another