Words with 'wa' at the start and 'v' at the end

In Scrabble, what is the most points possible using words beginning with 'wa' and ending with 'v'?
Your only feasible option is 'watfiv' for a score of 15 points.

What's the maximum number of words you can put together using this combination of letters?
Oh no, you can select only 1 entry.