13-Letter Words Matching ______S_____T

There are 19 13-letter words that match ______S_____T. 4 are common words, such as EXPRESSIONIST and IMPRESSIONIST. A rarer one is REPRESSIONIST. In this set, I is the most frequent open letter (18 words). 8 words contain a doubled letter.

Full list 19

expressionistimpressionistpercussionistsadomasochistchiaroscuristclothesbasketdeipnosophistneoclassicistnonpersistentoverinsistentantidesiccantfluoroscopistgastroscopistimmunosorbentintransigeantlaparoscopistneoplasticistprogressivistrepressionist

About this list

Words
19 (4 common words)
Common example
expressionist
Rare example
repressionist
Doubled letters
8
Ending in S
0
Most frequent letter
I (18)

Questions

How many 13-letter words matching ______s_____t are there?

19. 4 of them are common words.

What is a common example?

EXPRESSIONIST is among the common words in this set.