15-Letter Words Matching ______I____I___

There are 67 15-letter words that match ______I____I___. 20 are common words, such as BACTERIOLOGICAL and BACTERIOLOGISTS. A rarer one is TRANSHISTORICAL. In this set, O is the most frequent open letter (61 words). 11 words contain a doubled letter.

Full list 67

Common words

bacteriologicalbacteriologistsdisaffiliationsdisequilibriumsepidemiologistsgeoengineeringsmicrobiologicalmicrobiologistsmountaineeringsphotofinishingsprohibitionistsreconciliations
bacteriologicalbacteriologistsdisaffiliationsdisequilibriumsepidemiologistsgeoengineeringsmicrobiologicalmicrobiologistsmountaineeringsphotofinishingsprohibitionistsreconciliationsreconfirmationssensationalismssensationalistssensationalizedsensationalizestraditionalismstraditionaliststransmigrationsbioengineeringsdefibrillationseducationalistsepidemiologicalisoperimetricalsociobiologicalsociobiologistsanticlimacticalastrobiologistsbenzodiazepinesdespiritualizeddespiritualizesdisambiguationsecclesiologicalecclesiologistsethnohistoriansethnohistoricalexceptionalismshydrobiologicalhydrobiologistsinterdiffusionsinterlineationsliturgiologistsneurobiologicalneurobiologistsnonengineeringsnonequilibriumsoperationalismsoperationalistspaleobiologicalpaleobiologistsphotobiologicalphotobiologistsphotodissociateprerevisionistsprotohistoriansradiobiologicalradiobiologistsredistillationsrespiritualizedrespiritualizessensationalisedsensationalisessociohistoricaltraditionalizedtraditionalizestranshistorical

About this list

Words
67 (20 common words)
Common example
bacteriological
Rare example
transhistorical
Doubled letters
11
Ending in S
46
Most frequent letter
O (61)

Questions

How many 15-letter words matching ______i____i___ are there?

67. 20 of them are common words.

What is a common example?

BACTERIOLOGICAL is among the common words in this set.