How many words are there using the combination of letters specified?It's possible to derive 13 words using the combination you searched for.
How many letters does the biggest word from this page contain?The biggest word you can derive from this list is 'craniorhachischisis', which contains 19 characters.
What's the highest score you can get in Scrabble using this list of words that start with 'c' and contain 'sch'?For 17 points, you could use 'caschrom'.