Is there a word on this page that sticks out as the most common?The most common word for your request is 'perhaps'.
What's the longest word you can assemble using the combination searched for?The word 'interrelationships' contains 18 characters.
What is the highest scoring word in Scrabble you can play for ?With a sizeable 309 entries, your best option is 'checkups' scoring 21 points.
What's an unusual word from all the word combos available ?The most weird word based on a recently conducted poll is 'temps'. The common definition of 'temps' is as follows: "Time. [Obs.] Chaucer.". Credit goes to Cambridge Dictionary.
What's the maximum number of words one can make using this combination of letters?In total, one could create 309 words.