What's the difference between rounce and rouncy?

Rounce

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Definition:

• (n.) The handle by which the bed of a hand press, holding the form of type, etc., is run in under the platen and out again; -- sometimes applied to the whole apparatus by which the form is moved under the platen.

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Rouncy

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Definition:

• (n.) A common hackney horse; a nag.

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