14-Letter Words Matching ____S_T_______

There are 14 14-letter words that match ____S_T_______. 5 are common words, such as APPOSITENESSES and TRANSITIONALLY. A rarer one is PARASITOLOGIES. In this set, I is the most frequent open letter (13 words). 7 words contain a doubled letter.

Full list 14

appositenessestransitionallytransitivenesstransitivitiesunhesitatinglybremsstrahlungoppositenessesparasitologisttransitorinessoppositionistsoversaturatingoversaturationparasitizationparasitologies

About this list

Words
14 (5 common words)
Common example
appositenesses
Rare example
parasitologies
Doubled letters
7
Ending in S
7
Most frequent letter
I (13)

Questions

How many 14-letter words matching ____s_t_______ are there?

14. 5 of them are common words.

What is a common example?

APPOSITENESSES is among the common words in this set.