Is there any word on this page that jumps out as the most popular?A well-known word for your request is 'metropolis'.
What's the highest scoring word you can play in Scrabble ?Since there are an extensive 684 entries, you'll want to try 'megatypy' which scores 19 points overall.
Is there an example of a word from this page which might be considered as unique?The most unusual word based on expert opinion is 'metaphysician'. 'Metaphysician''s definition is "One who is versed in metaphysics.", according to the English dictionary.
What's the total number of words you can assemble from this combination of letters?You can go with up to 684 entries.
What is the longest word you can create with the combination of letters specified?'mechanotheraputically' (21 letters)