Words that start with 'u' and contain 'pra'

What's the biggest word you can assemble using this list?
'Unpracticableness' is the longest word that we could construct. It has 17 characters.

Is there a word on this page that jumps out as the most common?
When it comes to popular words, there's 'upraised', which ranks as the 30740^th most common word.

What is a strange word from all the word combos possible ?
Our favorite unusual word from this page is 'unpractical'. The accepted definition of 'unpractical' is as follows: "Not practical; impractical. "Unpractical questions." H. James. I like him none the less for being unpractical. Lowell.". Credit goes to Oxford Dictionary.

In total, how many words can you make using the combination requested?
You can select up to a maximum of 48 entries.

What is the best score you could get in Scrabble from this list of words that start with 'u' and contain 'pra'?
It is possible to make 'unprayed' scoring 14 in Scrabble.