What's the difference between excuss and excussion?

Excuss

Definition:

• (v. t.) To shake off; to discard.
• (v. t.) To inspect; to investigate; to decipher.
• (v. t.) To seize and detain by law, as goods.

Example Sentences:

Excussion

Definition:

• (n.) The act of excusing; seizure by law.

Example Sentences: