Words that contain 'a' and end in 'ian'

In total, how many words are available using these specific combinations of letters?
One could create 1,681 words using this list.

Is there a specific word from this page of word that has 'a' in and ends with 'ian' that could be thought of as unique?
The most interesting word in this list is 'apician'. According to the English dictionary, 'apician' is defined as "Belonging to Apicius, a notorious Roman epicure; hence applied to whatever is peculiarly refined or dainty and expensive in cookery. H. Rogers.".

Which word from this list is made up of the highest number of letters?
'Antidisestablishmentarian' is the longest word that the Dictionarypedia database could construct.

What is the highest number of points you could get in Scrabble using this list of words that contain 'a' and end in 'ian'?
With the amount of words from which to select, your best bet is to consider 'piazzian' which scores 28 points overall.

What is the most common word on this page?
'Guardian' is the most well-known word from this page, ranked 6538^th most common word.