How many characters does the biggest word on this list consist of?The word 'kataplexy' contains 9 characters.
How many words are possible to put together using the specified combination?There are 2 words possible for any word that has 'k' in and ends with 'exy'.
What's the highest scoring word in Scrabble with the requested combination ?The only solution is 'kexy' for a total score of 18 points.