Words that start with 'a' and contain 'oun'

What's the total number of words you could put together using this list?
On this page of words starting with 'a' that contain 'oun', you have 66 entries that are available.

What's the largest word you can make with words that start with 'a' and include 'oun'?
'accountableness' (15 characters)

In Scrabble, what is the highest score possible from words starting with 'a' that contain 'oun'?
For a total of 13 points, one can use 'abscound'.

Which word that starts with 'a' and includes 'oun' is the most unusual?
By far the most interesting word in this list is 'adnoun'. It is defined as "An adjective, or attribute. [R.] Coleridge.".

Is there any word on this page that jumps out as the most popular?
There's 'around' which ranks as the 514^th most popular word.