How many letters are in the longest word on this list?The word 'electrorefining' contains 15 characters.
Is there any word on this page that jumps out as the most common?The most well-known word for the combination you requested is 'refusing'.
Is there an example of a word from this page of word that has 'ef' in and ends with 'ng' which might be considered as interesting?The most unusual word from this list is 'refreshing'. The dictionary defines it as "Reviving; reanimating. -- Re*fresh"ing*ly, adv. -- Re*fresh"ing*ness, n.".
How many viable words could one make using the specified combination?There are 235 brilliant words you can use for words that have 'ef' in and end with 'ng'.
In Scrabble, what's the highest number of points you can get using this list of words that have 'ef' in and end with 'ng'?With the number of words from which to select, you should go for 'defuzing' scoring 22 points.