14-Letter Words Matching ________S_I___

There are 31 14-letter words that match ________S_I___. 9 are common words, such as DECOMPRESSIONS and DISPOSSESSIONS. A rarer one is TOOTHBRUSHINGS. In this set, O is the most frequent open letter (28 words). 21 words contain a doubled letter.

Full list 31

Common words

decompressionsdispossessionsecclesiasticalgeneralissimosnonaggressionsnoncombustibleprepossessionsretrogressionstransgressionsincompressibleinsuppressiblephotoemissions
decompressionsdispossessionsecclesiasticalgeneralissimosnonaggressionsnoncombustibleprepossessionsretrogressionstransgressionsincompressibleinsuppressiblephotoemissionssalpiglossisesantirecessionsbiostatisticalcatachresticalcontrabassistshyperconscioushypocoristicalintrogressionsmisimpressionsmonotheisticalnarrowcastingsnonpossessionsnonstatisticalpolytheisticalprecombustionspretermissionssportscastingssubcommissionstoothbrushings

About this list

Words
31 (9 common words)
Common example
decompressions
Rare example
toothbrushings
Doubled letters
21
Ending in S
21
Most frequent letter
O (28)

Questions

How many 14-letter words matching ________s_i___ are there?

31. 9 of them are common words.

What is a common example?

DECOMPRESSIONS is among the common words in this set.