11-Letter Words Matching ____S_____C

There are 20 11-letter words that match ____S_____C. 9 are common words, such as ANAESTHETIC and ANTISEMITIC. A rarer one is VASOSPASTIC. In this set, I is the most frequent open letter (20 words). 1 words contain a doubled letter.

Full list 20

anaestheticantisemiticatmosphericcalisthenicfetishistichemisphericionosphericperistalticunaesthetictransphobicglossolalickinestheticmesospherictransarctictransuranicfeldspathicmetasomaticparestheticsynestheticvasospastic

About this list

Words
20 (9 common words)
Common example
anaesthetic
Rare example
vasospastic
Doubled letters
1
Ending in S
0
Most frequent letter
I (20)

Questions

How many 11-letter words matching ____s_____c are there?

20. 9 of them are common words.

What is a common example?

ANAESTHETIC is among the common words in this set.