What's the singular form of disagreeance? Here's the word you're looking for.
Answer
The noun disagreeance can be countable or uncountable.
The singular form of disagreeance is also disagreeance.
Examples
Hays High School officials said that the flag was a cause for controversy among students and parents of the district, others were in disagreeance with their ruling.
If there's any disagreeance, don't waste your time.