13-Letter Words Matching _ST__________

There are 19 13-letter words that match _ST__________. 7 are common words, such as ASTONISHINGLY and ASTONISHMENTS. A rarer one is OSTEOSARCOMAS. In this set, A is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 19

astonishinglyastonishmentsastringenciesastronauticalastrophysicalestablishmentestrangementsastereognosisasthenosphereasthmaticallyastrodynamicsostensibilityosteomalaciasosteomyelitisastrocytomataestablishableestimablenessosteoplastiesosteosarcomas

About this list

Words
19 (7 common words)
Common example
astonishingly
Rare example
osteosarcomas
Doubled letters
2
Ending in S
10
Most frequent letter
A (17)

Questions

How many 13-letter words matching _st__________ are there?

19. 7 of them are common words.

What is a common example?

ASTONISHINGLY is among the common words in this set.