Words that start with 'arr' and contain 'n'

How many viable words could one make using words that start with 'arr' and include 'n'?
There are up to 67 words.

What's the highest scoring word in Scrabble available on this page ?
From this combination, the best word to play is 'arraying' scoring 12 points.

Which word that starts with 'arr' and includes 'n' is the most common word?
The most common word in the dictionary is 'arranged', which is in fact the 2377^th most popular word in the dictionary.

What is a strange word from all the word combos possible on this page?
You'll uncover numerous unusual words in this list, although our favorite word is 'arrant'. The definition of 'arrant' is as follows: "Notoriously or preëminently bad; thorough or downright, in a bad sense; shameless; unmitigated; as, an arrant rogue or coward. I discover an arrant laziness in my soul. Fuller. 2. Thorough or downright, in a good sense. [Obs.] An arrant honest woman. Burton.". Source Cambridge Dictionary.

Which word in particular from this list consists the largest number of characters?
'Arraignableness' has 15 characters, and is the biggest word possible to make from this list.