12-Letter Words Matching ____S_T_____

There are 26 12-letter words that match ____S_T_____. 10 are common words, such as APPOSITENESS and BABYSITTINGS. A rarer one is PARASITIZING. In this set, I is the most frequent open letter (25 words). 9 words contain a doubled letter.

Full list 26

Common words

appositenessbabysittingsdepositoriesrepositoriestransitionaltransitionedtransitivelytransitivitytypesettingsunhesitatingaccusatorialappositional
appositenessbabysittingsdepositoriesrepositoriestransitionaltransitionedtransitivelytransitivitytypesettingsunhesitatingaccusatorialappositionaldepositionalexpositionaloppositenessoppositionalparasiticideparasitologyrepositionedtransitorilyappositivelydepositariesfilmsettingsoversaturateparasitisingparasitizing

About this list

Words
26 (10 common words)
Common example
appositeness
Rare example
parasitizing
Doubled letters
9
Ending in S
8
Most frequent letter
I (25)

Questions

How many 12-letter words matching ____s_t_____ are there?

26. 10 of them are common words.

What is a common example?

APPOSITENESS is among the common words in this set.