Words with 'ou' at the start and 'r' at the end

What's the total number of words you can assemble using this combination of letters?
You can make 113 words from this combination.

Which word that starts with 'ou' and ends with 'r' is the most common word?
The most popular word is 'our', which is in fact the 69^th most common word in the dictionary.

What's the largest word you can make using the combination searched for?
The longest word you can derive from this list is 'outskirmisher', and it contains 13 characters.

Is there an example word from this page of word that starts with 'ou' and ends with 'r' that could be thought of as unusual?
A good example of a weird word from this list is 'outgoer'. The definition of 'outgoer' is as follows: "One who goes out or departs.".

What is the highest score you could get in Scrabble from this list of words beginning with 'ou' and ending with 'r'?
As there are a considerable 113 entries, you may want to go for 'outhumor' scoring 13 points.