Words that contain 'it' and end in 'n'

What is the highest possible score you can get in Scrabble from this list of words that have 'it' in and end with 'n'?
Considering the diverse range of words to select from, your best option is 'zithern' scoring 19 points in total.

How many possible words can you make using this combination of letters?
On this page of words that contain 'it' and end in 'n', you have 1,274 combinations which are available altogether.

Is there a word from this page which might be considered as unusual?
One of the most strange words from this list of words that have 'it' in and end with 'n' is 'quercitin'. The dictionary defines it as "A yellow crystalline substance, occurring quite widely distributed in the vegetable kingdom, as is apple-tree bark, horse- chestnut leaves, etc., but originally obtained by the decomposition of quercitrin. Called also meletin.".

What's the most popular word for this page?
There's 'within' which is the 320^th most common word.

How many characters are in the largest word on this list?
There are 22 letters in the word 'deinstitutionalization', which makes it the longest word on our page.