How many characters does the largest word on this list contain?There are 8 letters in the word 'rockfoil', that makes it the largest word on our list.
In total, how many words are possible to make using the combination specified?From this page of words that have 'kf' in and end with 'il', you have 2 entries that are possible overall.
What's the highest scoring word you can play in Scrabble ?2 combinations offered, you're forced to select 'chkfil' which scores 18 points.