Words that start with 'e' and contain 'cl'

How many viable words are possible to put together from this combination of letters?
You could create 264 words with the specified combination.

What's the most common word that starts with 'e' and includes 'cl' in the dictionary?
We're able to confirm that 'exclaimed' is the 966^th most common word.

What's an interesting word from the word combinations possible on this page?
By far the most unusual word from this list is 'exclave'. The general definition of 'exclave' is as follows: "A portion of a country which is separated from the main part and surrounded by politically alien territory. [Recent.] Note: The same territory is an enclave in respect to the surrounding country and an exclave with respect to the country to which it is politically attached.".

What is the best score you can get in Scrabble from this list of words starting with 'e' that contain 'cl'?
As there are a sizeable 264 entries, you'll want to pick 'exclaves' scoring 20 points overall.

How many characters are in the longest word from this page?
'ecclesiasticalness'!