Which word in particular from this list has the highest character count?The word 'zygomaticoorbital' has 17 characters.
What's a strange word from all the combinations possible on this page?Standing as our favorite interesting word on this page is 'zumbooruk'. The definition of 'zumbooruk' is as follows: "A small cannon supported by a swiveled rest on the back of a camel, whence it is fired, -- used in the East.". Source Cambridge Dictionary.
How many acceptable words could one make using the specified combination?You could create 3 words with the combination you specified.