What's the difference between tampion and tampoon?

Tampion

Definition:

• (n.) A wooden stopper, or plug, as for a cannon or other piece of ordnance, when not in use.
• (n.) A plug for upper end of an organ pipe.

Example Sentences:

• (1) The protein-binding assay developed by Brown, Albano, Ekins, Sgherzi & Tampion [(1971) Biochem.

Tampoon

Definition:

• (n.) The stopper of a barrel; a bung.

Example Sentences: