Words with 'dew' at the start and 'x' at the end

What's the total number of words one can construct from this combination of letters?
On this page of words with 'dew' at the start and 'x' at the end, you have only 1 combination that is possible overall.

What is the highest scoring word in Scrabble you can play for ?
As there is only a single word possible, your only viable option is 'dewax' for a total score of 16 points.