In total, how many words can one make using the combination specified?From this page of words beginning with 'p' and ending with 'isk', there are 2 combinations which are possible overall.
What is the highest scoring word in Scrabble you can play for ?As there is just 2 entries possible, your only feasible word is 'panisk' scoring 12 points.
What is the longest word you can assemble from the combination searched for?'Panisk' is made up of 6 letters, and is the longest word you could make from this list.