What's the difference between knavish and scampish?

Knavish

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Definition:

• (a.) Like or characteristic of a knave; given to knavery; trickish; fraudulent; dishonest; villainous; as, a knavish fellow, or a knavish trick.
• (a.) Mischievous; roguish; waggish.

Example Sentences:

Scampish

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Definition:

• (a.) Of or like a scamp; knavish; as, scampish conduct.

Example Sentences: