28

These thirteen English words share a hidden property:

cold, laughter, unblock, word, kill, witch, even, now, warm, oil, talking, potted, corn

The list is not complete, there are other words with the same property, most don't fit the pattern though. What is this property?

Rand al'Thor
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Moghwyn
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1 Answers1

29

Adding S as the first letter gives new words.

Aravind
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