How many words can one make using the combination specified?Overall, you could make 2 words.
How many characters does the longest word from this list contain?'Cabbalah' is the longest word that the Dictionarypedia database could assemble.
In Scrabble, what's the highest possible score possible from words that have 'ca' in and end with 'ah'?Since there are only 2 combinations to choose from, your only feasible option is 'cabbalah' which scores 17 points.