15-Letter Words Matching _____ST________

There are 54 15-letter words that match _____ST________. 19 are common words, such as DECONSTRUCTIONS and DEMONSTRATIVELY. A rarer one is UNSUBSTANTIALLY. In this set, T is the most frequent open letter (45 words). 11 words contain a doubled letter.

Full list 54

Common words

deconstructionsdemonstrativelydistastefulnessinfrastructuresinsubstantiallyoverestimationspredestinationsprehistoricallyreconstitutionsreconstructionsrecrystallizingsophistications
deconstructionsdemonstrativelydistastefulnessinfrastructuresinsubstantiallyoverestimationspredestinationsprehistoricallyreconstitutionsreconstructionsrecrystallizingsophisticationssuperstitiouslysuperstructurestempestuousnessunderstandinglyunderstatementsunquestioninglyunsubstantiateddemonstrabilityfantasticalnesshydrostaticallyinfrastructuralinterstratifiedinterstratifiesreconstructiblerumbustiousnesssophisticatedlysuperstructuralbiosystematistsbremsstrahlungscholestyraminesdemonstrationalexhaustlessnessfantasticationshyperstimulatedhyperstimulatesmacrostructuralmacrostructuresmaldistributionmicrostructuralmicrostructuresmisdistributionnoninstrumentalorchestrationalpredestinariansradiostrontiumsremonstrativelyrepristinationssuperstimulatedsuperstimulatesultrastructuralultrastructuresunsubstantially

About this list

Words
54 (19 common words)
Common example
deconstructions
Rare example
unsubstantially
Doubled letters
11
Ending in S
27
Most frequent letter
T (45)

Questions

How many 15-letter words matching _____st________ are there?

54. 19 of them are common words.

What is a common example?

DECONSTRUCTIONS is among the common words in this set.