14-Letter Words Matching ____S___T_____

There are 21 14-letter words that match ____S___T_____. 12 are common words, such as ANAESTHETIZING and BACKSCRATCHING. A rarer one is TRANSDUCTIONAL. In this set, I is the most frequent open letter (20 words). 9 words contain a doubled letter.

Full list 21

anaesthetizingbackscratchingforeshorteninghairsplittingsillustrativelyirresolutenessjurisdictionalsatisfactorilytransmittancestransportationunhesitatinglyunsuspectinglybackscratchersillustrationalirrespectivelyoverstretchingtransvestitismassistantshipsbackscatteringoversweeteningtransductional

About this list

Words
21 (12 common words)
Common example
anaesthetizing
Rare example
transductional
Doubled letters
9
Ending in S
5
Most frequent letter
I (20)

Questions

How many 14-letter words matching ____s___t_____ are there?

21. 12 of them are common words.

What is a common example?

ANAESTHETIZING is among the common words in this set.