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

What is an unusual word from this page of words that start with 'u' and include 'ea'?
There are numerous peculiar words in this list, although our favorite word at the moment is 'underbear'. 'Underbear''s definition is "1. To support; to endure. [Obs.] Shak. 2. To line; to guard; to face; as, cloth of gold underborne with blue tinsel. [Obs.] Shak.", according to the dictionary.

What's the most common word that starts with 'u' and includes 'ea'?
We're able to verify that 'unpleasant' is the 5166^th most common word.

What's the maximum number of words one can construct using this list?
One can create 1,060 words using the combination of words that start with 'u' and include 'ea'.

In Scrabble, what is the highest number of points you can get using words that start with 'u' and contain 'ea'?
With the amount of words to decide on, you'll want to go for 'upheaved' which scores 17 points overall.

What's the largest word you can construct with the combination searched for?
The biggest word is 19 characters long, which is 'unchallengeableness'.