Words that start with 'si' and contain 's'

In total, how many words can one make using this list?
You could make 805 words from the specified combination.

What is the biggest word you can construct from words that start with 'si' and include 's'?
The longest word is 19 letters long, which is 'sigmoidoproctostomy'.

What is the highest scoring word in Scrabble you can play for ?
With an enormous 805 entries, we'd recommend choosing 'sizzlers' scoring 26 points in total.

Which word that starts with 'si' and includes 's' is the most common word in the dictionary?
Our database reveals the most popular word in the dictionary that start with 'si' and include 's' is 'sister'!

Is there a word from this page which could be deemed as unique in any regard?
Certainly one of the most interesting words from this page is 'sinless'. 'Sinless''s definition is "Free from sin. Piers Plowman. -- Sin"less*ly, adv. -- Sin"less*ness, n.", according to the dictionary.