Words that start with 'e' and contain 'as'

Is there any word on this page that jumps out as the most popular?
'Easily' is the most well-known word from this list, ranked 881^st most common word.

What is the total number of words you could put together using this combination of letters?
From this list of words starting with 'e' that contain 'as', there are 637 unique combinations which can be selected.

In Scrabble, what's the highest number of points you can get from this list of words that start with 'e' and contain 'as'?
Given there are so many words from which to select, your best choice is 'eczemas' scoring 20 points in total.

What word that starts with 'e' and includes 'as' is the most interesting?
Ranking as the most peculiar word on this page is 'ectoblast'. According to the dictionary, 'ectoblast' is defined as "(a) The outer layer of the blastoderm; the epiblast; the ectoderm. (B) The outer envelope of a cell; the cell wall. Agassiz.".

How many letters does the longest word from this page consist of?
'esophagogastroscopy' (19 characters)