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

Is there a specific word from this page that could be deemed as interesting?
The most unusual word based on a recently conducted poll is 'undisclose'. The accepted definition of 'undisclose' is as follows: "To keep close or secret. [Obs.] Daniel.". Source Cambridge Dictionary.

Which word that starts with 'u' and includes 'ose' is the most common word in the dictionary?
We've identified that 'unclosed' is the 52464^th most common word.

How many characters are in the largest word from this list?
The largest word one could construct from the combination specified is 'unmetamorphosed', and it has 15 characters.

What's the highest scoring word you can play in Scrabble ?
One can make 'unjocose' which gets 17 points.

What's the total number of words one is able to create from words that start with 'u' and include 'ose'?
There are up to 98 words.