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

What's the maximum number of words you are able to assemble from words that start with 'fed' and include 'a'?
On this page of words that start with 'fed' and include 'a', you have 44 amazing entries that are available altogether.

What's the most popular word for this page?
As far as well-known words go, there's 'federal', which ranks as the 4306^th most popular word.

What's the highest score you can get in Scrabble from this list of words starting with 'fed' that contain 'a'?
For 17 points, it's possible to use 'federacy'.

What's an interesting word on this list of words that start with 'fed' and include 'a'?
'Federative' is definitely the most strange word in our list of words that start with 'fed' and include 'a'. 'Federative' is defined as "Uniting in a league; forming a confederacy; federal. "A federative society." Burke.", according to the English dictionary.

How many characters does the longest word from this list consist of?
The biggest word one could assemble from the combination searched for is 'federalizations', and it contains 15 characters.