Words with 'kin' at the start and 'w' at the end

In total, how many possible words can you make using the combination specified?
Regrettably there's only 1 word.

What's the best score you could get in Scrabble using this list of words beginning with 'kin' and ending with 'w'?
As there is merely 1 combination to choose from, you're forced to use 'kingrow' scoring 15 points.