Words that start with 'c' and contain 'nis'

What's the largest word you can derive from this list?
The word 'consubstantiationist' contains 20 characters.

What's the total number of words you are able to construct using this combination of letters?
There are 261 extraordinary words for you to consider.

What word that starts with 'c' and includes 'nis' is the most unusual?
The most notable word in our opinion is 'concessionist'. The definition of 'concessionist' is as follows: "One who favors concession.".

What is the highest scoring word in Scrabble available on this page ?
Given there are a plethora of words to pick from, we'd advise choosing 'clownish' scoring 16 points in total.

Which word that starts with 'c' and includes 'nis' is the most common word in the dictionary?
As far as popular words go, there's 'colonists', which ranks as the 10349^th most popular word.