13-Letter Words Matching _____S_____T_

There are 50 13-letter words that match _____S_____T_. 16 are common words, such as ACCESSIBILITY and ADMISSIBILITY. A rarer one is UNCONSTRAINTS. In this set, I is the most frequent open letter (42 words). 16 words contain a doubled letter.

Full list 50

Common words

accessibilityadmissibilitycommissariatscompassionatedispassionateexcursionistsexpansionistsimpassibilityimpossibilityimprisonmentsinconsiderateinsensibility
accessibilityadmissibilitycommissariatscompassionatedispassionateexcursionistsexpansionistsimpassibilityimpossibilityimprisonmentsinconsiderateinsensibilityinsensitivitynonabsorbentssecessionistssupersaturatedefensibilitydisposabilityextensibilitygymnosophistsimpassabilityimpersonalityinfeasibilityostensibilityprofessoriatereconsolidateremissibilityreversibilitysacrosanctitysuperstrengthunderstrengthdefeasibilitydiffusionistsdiversionistsempoisonmentsempressementsexclusionistsexpansibilityhypersalinityintersegmentsintussusceptsmicroscopistsnonresistantsperfusionistsphotosynthateprecisionistsprofessoriatssupersubtletythalassocratsunconstraints

About this list

Words
50 (16 common words)
Common example
accessibility
Rare example
unconstraints
Doubled letters
16
Ending in S
21
Most frequent letter
I (42)

Questions

How many 13-letter words matching _____s_____t_ are there?

50. 16 of them are common words.

What is a common example?

ACCESSIBILITY is among the common words in this set.