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

In Scrabble, what is the best score possible using this list of words starting with 's' that contain 'pin'?
As there are loads of words to select from, you should opt for 'spinifex' which scores 20 points.

Which word in particular on this page has the highest letter count?
There are 20 letters in the word 'spinulosodenticulate', which makes it the longest word Dictionarypedia has.

Which word that starts with 's' and includes 'pin' is the most common word in the dictionary?
There's 'sleeping' which ranks as the 3425^th most popular word.

Is there an example word from this page of word that starts with 's' and includes 'pin' which might be considered as unusual?
The most interesting word based on expert opinion is 'spininess'. According to the English dictionary, 'spininess' is defined as "Quality of being spiny.".

What's the max number of words one is able to create from this combination of letters?
On this page of words starting with 's' that contain 'pin', we have discovered 395 unique entries that are possible altogether.