Words ending in 'wff'

Sad to say only 1 word has been discovered based on this letter combination.

5 letter words

  • howff

What's the highest possible score you can get in Scrabble using this list of words ending in 'wff'?
The only option is 'howff' for a score of 17 points.

How many usable words are possible to make using the specified combination?
On this list of words which end with 'wff', there is just 1 combination that is available altogether.