What's the difference between scug and scur?

Scug

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Definition:

• (v. i.) To hide.
• (n.) A place of shelter; the declivity of a hill.

Example Sentences:

Scur

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Definition:

• (v. i.) To move hastily; to scour.

Example Sentences:

• (1) Prospective analysis of the postoperative course of 1461 patients following major visceral surgery showed that postoperative complications scurred in 17.3% (253) of cases; 81% of the complications were related to the surgical procedure (surgical complications), whereas in 18.2% (46) of the patients, they complications were not related to surgery (non-surgical complications).