How many characters does the biggest word on this list contain?The longest word is 6 characters, which is 'cocuyo'.
How many words could one put together using the combination specified?It's possible to derive 2 words from the combination you specified.
What's the highest score you can get in Scrabble from this list of words that have 'co' in and end with 'yo'?As there is only a small number of words possible, you can only use 'cocuyo' for a score of 13 points.