15-Letter Words Matching ___________ST__

There are 32 15-letter words that match ___________ST__. 5 are common words, such as EXPRESSIONISTIC and IMPRESSIONISTIC. A rarer one is VENTRILOQUISTIC. In this set, I is the most frequent open letter (32 words). 8 words contain a doubled letter.

Full list 32

Common words

expressionisticimpressionisticindividualisticinterscholasticsadomasochisticactinochemistrybiogeochemistrycommercialisticcontortionisticexhibitionisticextralinguisticimmunochemistry
expressionisticimpressionisticindividualisticinterscholasticsadomasochisticactinochemistrybiogeochemistrycommercialisticcontortionisticexhibitionisticextralinguisticimmunochemistryoverpessimisticperfectionisticphototransistorsociolinguisticstereochemistrythermochemistryachondroplasticconceptualisticcrosslinguisticelectroacousticfunctionalisticindeterministicirrationalisticnonantagonisticnonrelativisticparticularisticpharmacognosticphenomenalisticprogressivisticventriloquistic

About this list

Words
32 (5 common words)
Common example
expressionistic
Rare example
ventriloquistic
Doubled letters
8
Ending in S
0
Most frequent letter
I (32)

Questions

How many 15-letter words matching ___________st__ are there?

32. 5 of them are common words.

What is a common example?

EXPRESSIONISTIC is among the common words in this set.