Unshale vs Unshape - What's the difference?

As verbs the difference between unshale and unshape

is that unshale is to strip the shale or husk from; to uncover while unshape is to deprive of shape; throw out of form or into disorder.

(unshal)

(obsolete) To strip the shale or husk from; to uncover.

I will not unshale the jest before it be ripe. — Marston.

(Webster 1913)

To deprive of shape; throw out of form or into disorder.

To confound; derange.