Words with 'd' as the first letter that end with 'oam'

What is the highest scoring word in Scrabble you can play for ?
As there is merely 1 entry available, the only word you can play for is 'defoam' which totals 12 points.

What's the max number of words you're able to make from this combination of letters?
Oh dear, there is only 1 word you can use for words that start with 'd' and end with 'oam'.