Is there a word on this page that jumps out as the most popular?The most common word for your request is 'cleft'.
What's an interesting word on this list?Standing as the most unusual word on this page is 'chieftain'. 'Chieftain''s definition is "A captain, leader, or commander; a chief; the head of a troop, army, or clan. Syn. -- Chief; commander; leader; head. See Chief.", according to the dictionary.
How many acceptable words could one put together using this list?One could derive 15 words with the combination you specified.
How many characters does the largest word on this list consist of?The largest word is 14 characters long, which is 'chieftainships'.
In Scrabble, what is the highest number of points you can get from this list of words that start with 'c' and contain 'eft'?Using this combination, one could play 'chiefty' which gets 18 points.