14-Letter Words Matching _I_S__________

There are 16 14-letter words that match _I_S__________. 3 are common words, such as DISSEMINATIONS and DISSIMILITUDES. A rarer one is MISSIONIZATION. In this set, I is the most frequent open letter (16 words). 11 words contain a doubled letter.

Full list 16

disseminationsdissimilitudesdissimulationsdissertationaldissimilationsbiostatisticalbiosystematicsbiosystematistdiastereomericdieselizationsdisserviceabledissipatednessdissociabilitydissuasivenessfissionabilitymissionization

About this list

Words
16 (3 common words)
Common example
disseminations
Rare example
missionization
Doubled letters
11
Ending in S
8
Most frequent letter
I (16)

Questions

How many 14-letter words matching _i_s__________ are there?

16. 3 of them are common words.

What is a common example?

DISSEMINATIONS is among the common words in this set.