Disagreement
Part of speech: noun
Definition: An argument or debate. A condition of not agreeing or concurring.
Example sentence: There is too much disagreement for disagreement's sake. In a time of persistent challenges that still call into question our most sacred aspirations as a country, we cannot afford shallow callous divisiveness in our public debate.
Discrepancy
Part of speech: noun
Definition: An inconsistency between facts or sentiments.The state or quality of being discrepant.
Example sentence: As an artist, your only way to battle your label if you have a discrepancy is to go to court. I don't understand why you can't both agree if you have an accounting problem to have a third party to assess the situation.