14-Letter Words Matching S____________T

There are 17 14-letter words that match S____________T. 5 are common words, such as SEGREGATIONIST and SENSATIONALIST. A rarer one is SUPEREFFICIENT. 1 words contain a doubled letter.

Full list 17

segregationistsensationalistsentimentaliststraightjacketsuperintendentsacramentalistsilviculturistsociobiologistspectroscopistsuperabsorbentsupercontinentsuperincumbentsemiretirementsubdevelopmentsubproletariatsuperconfidentsuperefficient

About this list

Words
17 (5 common words)
Common example
segregationist
Rare example
superefficient
Doubled letters
1
Ending in S
0

Questions

How many 14-letter words matching s____________t are there?

17. 5 of them are common words.

What is a common example?

SEGREGATIONIST is among the common words in this set.