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

In Scrabble, what is the highest possible score possible from words that start with 's' and contain 'mpa'?
For a total of 21 points, one could use 'sympathy'.

Which word that starts with 's' and includes 'mpa' is the most popular word in the dictionary?
We've identified that 'sympathy' is the 1990^th most common word.

How many letters does the biggest word from this page contain?
The word 'stereocomparagraph' has 18 characters.

How many words are possible to make using this combination of letters?
You could create 78 words with this list.

What's an unusual word from the combinations available ?
We consider that 'sympathetical' to be the most weird word you can construct. The dictionary defines it as "Sympathetic.".