Words that include 'ckl'

What's the most common word on this page?
There's 'quickly', which ranks as the 1116^th most common word.

Which word from this list is made up of the highest number of letters?
The longest word on this list is 'chuckleheadedness', made up of 17 characters

What is the most interesting word with 'ckl' in them?
You'll notice several weird words on this page, although our favorite is 'tracklayer'. According to the dictionary, 'tracklayer' is defined as "Any workman engaged in work involved in putting the track in place. [U. S. & Canada] -- Track"lay`ing, n.".

In total, how many words is it possible to make using this list?
From this list of words that include 'ckl', there are 591 effective combinations which can be selected.

What is the highest score you can get in Scrabble from this list of words with 'ckl' in them?
With a considerable 591 entries, your best option is to consider 'quickly' which scores 25 points.