Words with 'yod' at the start and 's' at the end

In Scrabble, what is the best score possible from this list of words that start with 'yod' and end with 's'?
For a total of 12 points in Scrabble, one can use 'yodelers'.

Which word on this page has the largest character count?
The longest word is 9 characters long, which is 'yodellers'.

What's the maximum number of words you're able to put together from this list?
On this page of words that start with 'yod' and end with 's', there are 7 combinations which are possible in total.