Words with 's' as the first letter that end with 'tis'

What is the highest scoring word you can play in Scrabble ?
Our recommendation for a score of 14 points is playing the word 'shaktis'.

What's the most common word on this page?
We've identified that 'satis' is the 45510^th most common word.

How many letters are in the largest word from this page?
The longest word on this page is 'scleroticochorioiditis', made up of 22 characters

Is there an example word from this page that could be deemed as unique?
One example of a weird word from this page goes to 'sclerotitis'. According to the dictionary, 'sclerotitis' is defined as "Inflammation of the sclerotic coat.".

What's the total number of words you could assemble from words that start with 's' and end with 'tis'?
You can choose from 61 words.