15-Letter Words Matching _______O_O_____

There are 63 15-letter words that match _______O_O_____. 12 are common words, such as ANTHROPOLOGICAL and ANTHROPOLOGISTS. A rarer one is UNCHRONOLOGICAL. In this set, I is the most frequent open letter (60 words). 6 words contain a doubled letter.

Full list 63

Common words

anthropologicalanthropologistsanthropomorphicbacteriologicalbacteriologistsepidemiologistsmicrobiologicalmicrobiologistspaleontologistspharmacologicalpharmacologiststrinitrotoluene
anthropologicalanthropologistsanthropomorphicbacteriologicalbacteriologistsepidemiologistsmicrobiologicalmicrobiologistspaleontologistspharmacologicalpharmacologiststrinitrotolueneepidemiologicalepistemologicalepistemologistshexachlorophenemicrophotographmicrosporophyllpaleontologicalradiophotographsociobiologicalsociobiologistsanthroposophiesantialcoholismsantimonopolistsastrobiologistsastrophotographdialectologicaldialectologistsecclesiologicalecclesiologistsgeohydrologistsgynandromorphichydrobiologicalhydrobiologistskremlinologistsliturgiologistsmacrophotographmicrophotometermicrophotometrymicrosporocytesneurobiologicalneurobiologistsnonastronomicalnonmetropolitannonphilosopherspaleobiologicalpaleobiologistspaleoecologicalpaleoecologistspaleozoologicalpaleozoologistsparasitologicalparasitologistsphotobiologicalphotobiologistsphotogeologicalphotogeologistsprotozoologistsradiobiologicalradiobiologistsrheumatologistsunchronological

About this list

Words
63 (12 common words)
Common example
anthropological
Rare example
unchronological
Doubled letters
6
Ending in S
30
Most frequent letter
I (60)

Questions

How many 15-letter words matching _______o_o_____ are there?

63. 12 of them are common words.

What is a common example?

ANTHROPOLOGICAL is among the common words in this set.