In total, how many words are there using this combination of letters?It's possible to make 2 words with this combination.
What's the longest word you can derive using this list?The largest word that's possible to construct from the specified combination is 'calami', and it contains 6 characters.
In Scrabble, what is the best score you can get using words that contain 'c' and end in 'ami'?With sadly 2 entries available, your only feasible word is 'jacami' which scores 17 points.