1. Peel the potatoes and cut them into pieces.

2. Skin the potatoes and cut them into pieces.

3. Remove the peel of the oranges.
4. Remove the skin of the oranges.
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Can we substitute 'skin' for 'peel'?
Are they all grammatical?

1 answer

Yes, in both instances, they mean the same thing. My mother and her mother used "peel" and my other grandmother used "skin" in these senses.

=)