Disagree
Part of speech: verb
Definition: to not agree
Example sentence: Any time scientists disagree, it's because we have insufficient data. Then we can agree on what kind of data to get; we get the data; and the data solves the problem. Either I'm right, or you're right, or we're both wrong. And we move on. That kind of conflict resolution does not exist in politics or religion.
Disaccord
Part of speech: verb
Definition: To fail to be in accord.
Part of speech: noun
Definition: The absence or reverse of accord.Disharmony.