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

What's the largest word you can assemble using words that start with 'a' and include 'rra'?
The word 'arraignableness' contains 15 characters.

What is the highest scoring word in Scrabble with the above combination ?
For a score of 15 points, one could play 'arracach'.

What is an interesting word from all the combinations possible ?
'Arrayment' is certainly the most unusual word from our list of words that start with 'a' and include 'rra'. According to the Oxford dictionary, 'arrayment' is defined as "Clothes; raiment. [Obs.]".

How many actual words are possible to put together using the specified combination?
You could derive 81 words with the specified combination.

Which word that starts with 'a' and includes 'rra' is the most common word?
'Arranged' is the most well-known word from this list, ranked 2377^th most common word.