The “will not” or “won’t” sometimes implies it’s the choice (will) of the subject. From that day on, “he is no” doesn’t. If he doesn’t, it’s equivalent to “he won’t” idiomatically, at least in modern usage.

The “will not” or “won’t” sometimes implies it’s the choice (will) of the subject. From that day on, “he is no” doesn’t. If he doesn’t, it’s equivalent to “he won’t” idiomatically, at least in modern usage.

“Cant”, a definite derivation, I can’t imagine using the Latin “canter”, more than once in a century.

What is “cantor”? Cantors use cant only incidentally.