What's the difference between rundlet and runlet?

Rundlet

Definition:

• (n.) A small barrel of no certain dimensions. It may contain from 3 to 20 gallons, but it usually holds about 14/ gallons.

Example Sentences:

Runlet

Definition:

• (n.) A little run or stream; a streamlet; a brook.
• (n.) Same as Rundlet.

Example Sentences: