What's the difference between nuncupate and nuncupation?

Nuncupate

Definition:

• (v. t.) To declare publicly or solemnly; to proclaim formally.
• (v. t.) To dedicate by declaration; to inscribe; as, to nuncupate a book.

Example Sentences:

Nuncupation

Definition:

• (n.) The act of nuncupating.

Example Sentences: