12-Letter Words Matching ____O_____A_

There are 103 12-letter words that match ____O_____A_. 27 are common words, such as ASTROLOGICAL and ASTRONOMICAL. A rarer one is URINOGENITAL. In this set, I is the most frequent open letter (87 words). 5 words contain a doubled letter.

Full list 103

Common words

astrologicalastronomicalaudiologicalcosmologicalcosmopolitancyclopaediasethnologicaletymologicalgeopoliticalhaemophiliashydrophobiasmetropolitan
astrologicalastronomicalaudiologicalcosmologicalcosmopolitancyclopaediasethnologicaletymologicalgeopoliticalhaemophiliashydrophobiasmetropolitanmythologicalneurologicalnoncommittalnonpoliticalorthodontiaspathologicalphilologicalphonologicalproportionalprototypicalscatologicalsemiofficialsociologicaltautologicaluneconomicalanacoluthiasapologeticalcomponentialcosmogonicalcyclothymiasdiplocardiacdistortionaldorsoventralglenohumeralhistologicalhydrologicalhydrothermallithologicalmeteoriticalmicroprogramnecrologicalnecrophiliacnecrophiliasnyctophobiaspetrologicalphenotypicalprimogenitalproboscideanprototherianradiologicalsemiologicalsubmoleculartauromachianteleologicaltrimolecularyellowthroatanthologicalarchosaurianastrocytomasatheoreticalbiomolecularcoprophiliaccoprophiliasdorsolateralgeobotanicalhagiologicalhydromedusaehydroxyureasiconologicalkaryologicalleukoplakiaslimnologicalmacronuclearmetrologicalmetronomicalmicrocrystalmicrohabitatmicrotubularmuseologicalnegrophobiasneurohumoralnoncollinearnonmolecularosteologicalphenologicalphotonuclearphotophobiasphycologicalproboscidianprotonematalrhizoctoniasscolopendrassinfoniettasspanokopitasstenothermaltibiofibulaetibiofibulastribologicaltropologicalunecologicalurinogenital

About this list

Words
103 (27 common words)
Common example
astrological
Rare example
urinogenital
Doubled letters
5
Ending in S
19
Most frequent letter
I (87)

Questions

How many 12-letter words matching ____o_____a_ are there?

103. 27 of them are common words.

What is a common example?

ASTROLOGICAL is among the common words in this set.