Words that contain 'r' and end in 'ur'

What is the longest word you can derive from this list?
'Collaborateur' is the biggest word that we could assemble, which has 13 characters

What's a strange word from all the combinations possible on this list?
Our team thinks 'litterateur' to be the most strange word you can throw together. The definition of 'litterateur' is as follows: "One who occupies himself with literature; a literary man; a literatus. " Befriended by one kind-hearted littérateur after another." C. Kingsley.". Credit goes to Oxford Dictionary.

How many possible words can you make using the combination of letters requested?
On this page of words that contain 'r' and end in 'ur', there are 166 combinations that are possible altogether.

Which word that has 'r' in and ends with 'ur' is the most common word?
'Murmur' is the most popular word from this page, ranked 5467^th most common word.

In Scrabble, what is the highest possible score you can get from words that have 'r' in and end with 'ur'?
As there are loads of words to pick from, we'd advise picking 'craythur' scoring 16 points overall.