There are a total of 4 6-letter words starting with 'kw', and the number may vary in different dictionaries. You can specify the dictionary and order.
There are 4 6-letter words starting with "kw" in the well-known word game dictionary, 2 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 4 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 4 in the Words with Friends (WWF) dictionary.
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