15-Letter Words Matching _______I____S__

There are 23 15-letter words that match _______I____S__. 6 are common words, such as DISCONTINUOUSLY and EVANGELICALISMS. A rarer one is SUBREPTITIOUSLY. In this set, S is the most frequent open letter (22 words). 6 words contain a doubled letter.

Full list 23

discontinuouslyevangelicalismsinconspicuouslymaladroitnessessuperstitiouslysurreptitiouslyantiperistalsisoverambitiouslypsychodiagnosispsycholinguistsuncertainnessesanticapitalismsanticapitalistsantimilitarismsantimilitaristsantiradicalismshexosaminidaseshypercriticismsidiomaticnessesimmunodiagnosesimmunodiagnosisneuroscientistssubreptitiously

About this list

Words
23 (6 common words)
Common example
discontinuously
Rare example
subreptitiously
Doubled letters
6
Ending in S
17
Most frequent letter
S (22)

Questions

How many 15-letter words matching _______i____s__ are there?

23. 6 of them are common words.

What is a common example?

DISCONTINUOUSLY is among the common words in this set.