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

Which word in particular from this list consists the largest number of letters?
The word 'noncontemporaneousness' has 22 characters.

Which word that starts with 'non' and includes 'c' is the most common word in the dictionary?
The most common word is 'nonchalance', which happens to be the 38532^nd most common word in the dictionary.

What's the highest scoring word in Scrabble using the above combination ?
As there are an extensive 3,420 entries, you should go for 'nontoxic' which scores 17 points overall.

Which word that starts with 'non' and includes 'c' is the most interesting?
We feel that 'nonobservance' to be the most weird word you can assemble. 'Nonobservance' is defined as "Neglect or failure to observe or fulfill.", according to the dictionary.

How many usable words could one make with this list?
From this page of words that start with 'non' and include 'c', there are 3,420 unique entries which are available in total.