Which word on this page has the highest character count?Try 'cholecystogastrostomy'
What's the highest scoring word you can play in Scrabble ?Considering the huge variety of words to select from, you may want to pick 'calyptro' scoring 15 points.
What is the total number of words you can make using this combination of letters?From this page of words that start with 'c' and include 'tro', you have 212 entries which are available overall.
Which word from this list is the most unique?By far the most unusual word from this list is 'controllability'. The dictionary defines it as "Capability of being controlled; controllableness.".
Which word that starts with 'c' and includes 'tro' is the most common word?A well-known word for the combination you requested is 'control'.