14-Letter Words Matching ____O___O_____

There are 30 14-letter words that match ____O___O_____. 5 are common words, such as CONTORTIONISTS and METEOROLOGICAL. A rarer one is RHODOCHROSITES. In this set, I is the most frequent open letter (27 words). 4 words contain a doubled letter.

Full list 30

Common words

contortionistsmeteorologicalmeteorologistsmethodologicalproportionallyanamorphoscopedistortionlesshydrochlorideshydrogenolysismicrobarographorthochromaticproportionable
contortionistsmeteorologicalmeteorologistsmethodologicalproportionallyanamorphoscopedistortionlesshydrochlorideshydrogenolysismicrobarographorthochromaticproportionablechemotaxonomicepizootiologicglycogenolysesglycogenolysisglycogenolytichydroperoxidesleukocytosisesmethodologistsneuroendocrinenoncontrollingphotoautotrophphotochromismsproportionablyproportionatedproportionatesradioautographradiostrontiumrhodochrosites

About this list

Words
30 (5 common words)
Common example
contortionists
Rare example
rhodochrosites
Doubled letters
4
Ending in S
13
Most frequent letter
I (27)

Questions

How many 14-letter words matching ____o___o_____ are there?

30. 5 of them are common words.

What is a common example?

CONTORTIONISTS is among the common words in this set.