Words with 'dop' at the start and 'o' at the end

How many actual words could one put together using the specified combination?
Uh oh, there is only 1 word that one can make for any word that starts with 'dop' and ends with 'o'.

What is the highest score you can get in Scrabble from this list of words beginning with 'dop' and ending with 'o'?
With sadly a single word possible, you're obligated to go with 'doppio' which totals 11 points.