Is there any word on this page that stands out as the most popular?The most popular word for your search is 'exist'.
Which word on this page has the highest character count?The largest word that's possible to construct from the specified combination is 'antiannexationist', and it has 17 characters.
How many actual words are possible to make with words that have 'x' in and end with 'st'?On this page of words that have 'x' in and end with 'st', there are 123 combinations which can be selected.
In Scrabble, what is the most points possible using this list of words that have 'x' in and end with 'st'?With the huge number of words to select from, your best bet is 'xenocyst' which scores 20 points.
Which is the most unique word that has 'x' in and ends with 'st'?By far the most unusual word in this list is 'expiatist'. The common definition of 'expiatist' is as follows: "An expiator. [R.]".