13-Letter Words Matching ___O_______A_

There are 36 13-letter words that match ___O_______A_. 11 are common words, such as CHRONOLOGICAL and CLIOMETRICIAN. A rarer one is XYLOGRAPHICAL. In this set, I is the most frequent open letter (32 words). 2 words contain a doubled letter.

Full list 36

Common words

chronologicalcliometricianentomologicalhypochondriachypochondriashypoglycemiasinformationalpyrotechnicaltopographicaltypographicalunconditionalaerodynamical
chronologicalcliometricianentomologicalhypochondriachypochondriashypoglycemiasinformationalpyrotechnicaltopographicaltypographicalunconditionalaerodynamicalappoggiaturasassociationalautographicalentomostracanholographicalmitochondrialmonomolecularreformationalautoradiogrambiconditionalcacographicalchlorenchymascohomologicalcytogeneticaldeformationaldemographicaldemonologicalendotheliomasglioblastomashypocalcemiasmesotheliomasmonophthongalmycobacterialxylographical

About this list

Words
36 (11 common words)
Common example
chronological
Rare example
xylographical
Doubled letters
2
Ending in S
8
Most frequent letter
I (32)

Questions

How many 13-letter words matching ___o_______a_ are there?

36. 11 of them are common words.

What is a common example?

CHRONOLOGICAL is among the common words in this set.