Unpays vs Unbays - What's the difference?

As verbs the difference between unpays and unbays

is that unpays is third-person singular of unpay while unbays is third-person singular of unbay.

(head)

(unpay)

To undo, take back, or annul, as a payment.

(Shakespeare)

(Webster 1913)

(head)

(unbay)

(en verb)

(obsolete) To free from the restraint of anything that surrounds or encloses.

I ought to unbay the current of my passion. — Norris.

(Webster 1913)