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

How many acceptable words are possible to make using the combination specified?
There are up to 400 words.

What is an interesting word from all the combinations available ?
We consider 'ustorious' to be the most peculiar word you can construct. The popular definition of 'ustorious' is as follows: "Having the quality of burning. [R.] I. Watts.".

What's the most common word that starts with 'u' and includes 'iou'?
Rating as the 4255^th most common word, you'll want to ensure that you've got 'unconscious' in your repertoire.

What's the highest number of points you could get in Scrabble using this list of words that start with 'u' and include 'iou'?
As there are loads of words to choose from, your best choice is 'uxorious' which scores 15 points.

How many characters does the biggest word on this page consist of?
The longest word is 19 characters, which is 'unconscientiousness'.