Words with 'a' as the first letter that end with 'f'

What's an unusual word on this list?
Our favorite strange word from this page goes to 'agrief'. The standard definition of 'agrief' is as follows: "In grief; amiss. [Obs.] Chaucer.".

What is the highest scoring word in Scrabble you can play for ?
Using this particular combination, you could make 'antihuff' scoring 17 in Scrabble.

Which word in particular from this list contains the highest number of letters?
Consider 'archpontiff', which consists of 11 characters.

What's the most common word that starts with 'a' and ends with 'f' in the dictionary?
There's 'auf' which ranks as the 840^th most popular word.

How many usable words could one make from this list?
It is possible to create 40 words from the specified combination.