They both derive from the art of the polearm. Your 'switchaxe' is a halberd.

[Bet he's not thinking about his panic attack anymore though.]

As someone who was once proficient with both weapons, I would not mind bridging the gap, as it were.

[It's constructive, and most of all, it teaches Ash that he doesn't need the strength of his demon to win against monsters and tougher foes. It's about discipline and personal growth. And surpassing one's limits... that too.]