15-Letter Words Matching ___________S_I_

There are 33 15-letter words that match ___________S_I_. 5 are common words, such as EXPRESSIONISTIC and IMPRESSIONISTIC. A rarer one is VENTRILOQUISTIC. In this set, T is the most frequent open letter (32 words). 10 words contain a doubled letter.

Full list 33

Common words

expressionisticimpressionisticindividualisticinterscholasticsadomasochisticcommercialisticconnoisseurshipconservatorshipcontortionisticdistributorshipexhibitionisticextralinguistic
expressionisticimpressionisticindividualisticinterscholasticsadomasochisticcommercialisticconnoisseurshipconservatorshipcontortionisticdistributorshipexhibitionisticextralinguisticoverpessimisticperfectionisticsociolinguisticachondroplasticcomptrollershipconceptualisticcrosslinguisticelectroacousticfunctionalisticindeterministicirrationalisticnonantagonisticnonpartisanshipnonrelativisticoutdoorsmanshipparticularisticpharmacognosticphenomenalisticprogressivisticstadtholdershipventriloquistic

About this list

Words
33 (5 common words)
Common example
expressionistic
Rare example
ventriloquistic
Doubled letters
10
Ending in S
0
Most frequent letter
T (32)

Questions

How many 15-letter words matching ___________s_i_ are there?

33. 5 of them are common words.

What is a common example?

EXPRESSIONISTIC is among the common words in this set.