Words that start with 'few' and contain 't'

What's the longest word you can create using words that start with 'few' and include 't'?
The biggest word on this list is 'fewterer'. It consists of 8 characters.

What's the max number of words you're able to create using this combination of letters?
One can create 5 words using this combination.

What's the best score you could get in Scrabble from this list of words that start with 'few' and include 't'?
For a score of 15 points, one can use 'fewmets'.

What's the most common word on this page?
There's 'fewest' which is the 48825^th most common word.