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

What's the longest word you can make from this list?
'sentimentalisation' (18 letters)

Which word that starts with 's' and includes 'isa' is the most common word in the dictionary?
We're able to verify that 'suffisant' is the 76165^th most common word.

What is an unique word from this page?
The most peculiar word based on a recently conducted poll is 'suffisance'. The dictionary defines it as "Sufficiency; plenty; abundance; contentment. [Obs.] He could in little thing have suffisaunce. Chaucer.".

In Scrabble, what is the most points you can get using this list of words that start with 's' and include 'isa'?
From this combination, it is possible to make 'succisa' which scores 11 points.

What is the max number of words one can assemble from this combination of letters?
There are 73 words for you to choose.