How many actual words are possible to make from this combination of letters?There are 2 entries which address your query.
How many characters does the longest word from this page consist of?The longest word is 10 characters long, which is 'akaniaceae'.
In Scrabble, what's the best score you can get from words that start with 'aka' and end with 'e'?Your only feasible choice is 'akazgine' scoring 22 points.