How many words are there using this list?Overall, there are 169 words.
What's the highest scoring word in Scrabble available on this page ?Given there are a sizeable 169 entries, your best option is 'isohexyl' scoring 21 points in total.
How many characters does the longest word from this list contain?The longest word one could construct from the combination searched for is 'isokeraunographic', and it consists of 17 characters.
Is there an example word from this page of word that starts with 'iso' and includes 'h' which could be deemed as unique?You'll note a number of weird words on this page, although our favorite word happens to be 'isography'. The traditional definition of 'isography' is as follows: "Imitation of another's handwriting,". Credit to the Cambridge Dictionary.