What's the difference between curch and cutch?

Curch

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Definition:

• (n.) See Courche.

Example Sentences:

Cutch

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Definition:

• (n.) See Catechu.
• (n.) See Cultch.

Example Sentences:

• (1) The betel nut, or arecanut, has long been associated with oral and esophageal cancer because of its tannin content and the tannin contributed by the highly astringent cutch from Acacia catechu L. and Uncaria gambir Roxb.