i Register
In some senses, disassent is marked as obsolete. Watch for register when choosing this word.
noun
Obsolete form of dissent.
Whether he departed without the French kynges consent or disassent, he[…]returned agayn to the Lady Margaret.
But whether he departed without the French kings conſent or diſaſſent, he deceiued in his expectacion, and in maner in diſpaire, retourned againe to the Lady Margaret his firſt fooliſh foundreſſe.
verb
To dissent.