14-Letter Words Matching ________ST____

There are 31 14-letter words that match ________ST____. 9 are common words, such as BIOCHEMISTRIES and ECCLESIASTICAL. A rarer one is SPORTSCASTINGS. In this set, I is the most frequent open letter (27 words). 5 words contain a doubled letter.

Full list 31

Common words

biochemistriesecclesiasticalgeochemistrieslaughingstocksmisunderstandsnoncombustiblepostindustrialschoolmistresssteppingstonesbacteriostasesbacteriostasisenterogastrone
biochemistriesecclesiasticalgeochemistrieslaughingstocksmisunderstandsnoncombustiblepostindustrialschoolmistresssteppingstonesbacteriostasesbacteriostasisenterogastroneoverinsistenceuninterestedlyagroforestriesamphiprostylesbacteriostaticbiostatisticalcatachresticalhypocoristicalintermenstrualmonotheisticalnarrowcastingsneuroblastomasnonstatisticaloveradjustmentoverinvestmentpolytheisticalprecombustionsschoolmasterlysportscastings

About this list

Words
31 (9 common words)
Common example
biochemistries
Rare example
sportscastings
Doubled letters
5
Ending in S
14
Most frequent letter
I (27)

Questions

How many 14-letter words matching ________st____ are there?

31. 9 of them are common words.

What is a common example?

BIOCHEMISTRIES is among the common words in this set.