15-Letter Words Matching _I__I__________

There are 18 15-letter words that match _I__I__________. 5 are common words, such as BIBLIOGRAPHICAL and DISCIPLINARIANS. A rarer one is SILVICULTURISTS. In this set, S is the most frequent open letter (16 words). 7 words contain a doubled letter.

Full list 18

bibliographicaldisciplinariansdissimilaritiesdistinctivenessdistinguishabledistinguishablyfideicommissarymillionairessesbibliotherapiescitriculturistsdithiocarbamatefibrinopeptidesfictionizationsfissiparousnessmisdistributionmissionizationssilviculturallysilviculturists

About this list

Words
18 (5 common words)
Common example
bibliographical
Rare example
silviculturists
Doubled letters
7
Ending in S
11
Most frequent letter
S (16)

Questions

How many 15-letter words matching _i__i__________ are there?

18. 5 of them are common words.

What is a common example?

BIBLIOGRAPHICAL is among the common words in this set.