Words with 'ar' at the start and 'e' at the end

How many characters are in the largest word from this list?
The word 'archrepresentative' is made up of 18 characters.

What is an unique word from this page?
The most weird word in our opinion is 'are'. The definition of 'are' is as follows: "The present indicative plural of the substantive verb to be; but etymologically a different word from be, or was. Am, art, are, and is, all come from the root as. The unit of superficial measure, being a square of which each side is ten meters in length; 100 square meters, or...". Credit goes to Oxford Dictionary.

Is there any word on this page that stands out as the most common?
We've discovered that 'are' is the 37^th most common word.

What's the maximum number of words you could construct from this list?
You can choose from 427 entries.

What is the highest scoring word in Scrabble using the above combination ?
With the number of words from which to select, we would suggest opting for 'archaize' scoring 22 points in total.