12-Letter Words Matching ____S_____I_

There are 25 12-letter words that match ____S_____I_. 9 are common words, such as CATASTROPHIC and GAMESMANSHIP. A rarer one is POLYSYNAPTIC. In this set, A is the most frequent open letter (21 words). 5 words contain a doubled letter.

Full list 25

Common words

catastrophicgamesmanshipmarksmanshipmonosyllabicpolysyllabicsalesmanshiptransoceanictranspacificunsystematicdecasyllabicforestaysailhemispheroid
catastrophicgamesmanshipmarksmanshipmonosyllabicpolysyllabicsalesmanshiptransoceanictranspacificunsystematicdecasyllabicforestaysailhemispheroidoctosyllabicoverspecificparasynapsispostsynapticantistrophicclassicisticcleistogamichelmsmanshipmeristematicmonospecificmonosynapticnonpsychoticpolysynaptic

About this list

Words
25 (9 common words)
Common example
catastrophic
Rare example
polysynaptic
Doubled letters
5
Ending in S
1
Most frequent letter
A (21)

Questions

How many 12-letter words matching ____s_____i_ are there?

25. 9 of them are common words.

What is a common example?

CATASTROPHIC is among the common words in this set.