Words with 'n' as the first letter that end with 'k'

In Scrabble, what is the best score you can get from words that start with 'n' and end with 'k'?
You could make 'namazlik' scoring 23 points in Scrabble.

How many words can you make from this combination of letters?
On this page of words with 'n' as the 1st letter that end with 'k', you have 69 entries that can be selected.

Which word on this page is the most popular?
We've discovered that 'neck' is the 1683^rd most common word.

Is there an example word from this page that could be deemed as unusual?
The most unusual word in our opinion is 'natterjack'. 'Natterjack' is defined as "A European toad (Bufo calamita), having a yellow line along its back.", according to the dictionary.

What is the largest word you can derive from this list?
The word 'norridgewock' has 12 characters.