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

What is the most popular word that starts with 's' and includes 'ive'?
We can verify that 'sensitive' is the 5217^th most common word.

What's the total number of words you can construct using this combination of letters?
There are 445 words available using words that start with 's' and include 'ive'.

How many characters does the largest word from this page contain?
Consider 'superconservativeness'

What is a weird word from all the word combinations possible ?
We consider 'subtractive' to be the most interesting word you can throw together. 'Subtractive''s definition is "1. Tending, or having power, to subtract. 2. (Math.) Having the negative sign, or sign minus.", according to the English dictionary.

What's the highest number of points you're able to get in Scrabble from this list of words starting with 's' that contain 'ive'?
As there are a multitude of words to choose from, your best bet is 'skydived' scoring 20 points.