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

What is the maximum number of words you're able to create from words that start with 's' and include 'tly'?
On this list of words starting with 's' that contain 'tly', there are 131 unique entries which can be selected.

What is an interesting word from this list?
The most unusual word based on expert analysis is 'shortly'. The dictionary defines it as "1. In a short or brief time or manner; soon; quickly. Chaucer. I shall grow jealous of you shortly. Shak. The armies came shortly in view of each other. Clarendon. 2. In few words; briefly; abruptly; curtly; as, to express ideas more shortly in verse than in prose.".

What's the highest possible score you could get in Scrabble using this list of words starting with 's' that contain 'tly'?
As there are an extensive 131 entries, we'd suggest selecting 'squintly' scoring 20 points in total.

Is there any word on this page that sticks out as the most common?
As far as well-known words go, there's 'sufficiently', which ranks as the 2356^th most popular word.

What is the longest word you can assemble with the combination of letters specified?
'Supersuperabundantly', which consists of 20 letters.