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

Which word that has 's' in and ends with 'it' is the most common word?
'Spirit' is the most well-known word from this page, ranked 569^th most common word.

What is the longest word you can create using this list?
There are 14 characters in the word 'electrodeposit', which makes it the longest word Dictionarypedia has.

What is an unusual word on this page of words that have 's' in and end with 'it'?
By far the most interesting word in this list is 'postposit'. It is defined as "To postpone. [Obs.] Feltham.".

What is the highest score you're able to get in Scrabble from this list of words that contain 's' and end in 'it'?
With an overwhelming 257 entries, your best bet is to choose 'jumpsuit' which scores 19 points in total.

What is the total number of words you are able to put together using this list?
There are up to 257 words.