15-Letter Words Matching ____O______A___

There are 67 15-letter words that match ____O______A___. 9 are common words, such as DISCOMBOBULATED and DISCOMBOBULATES. A rarer one is SOCIOCULTURALLY. In this set, I is the most frequent open letter (55 words). 42 words contain a doubled letter.

Full list 67

Common words

discombobulateddiscombobulatesmicroscopicallynoncommunicablephilosophicallyprepositionallyradiotelegraphsradiotelegraphyunpronounceableacknowledgeableastronauticallyhomeopathically
discombobulateddiscombobulatesmicroscopicallynoncommunicablephilosophicallyprepositionallyradiotelegraphsradiotelegraphyunpronounceableacknowledgeableastronauticallyhomeopathicallyhydrostaticallymacrocosmicallymacroscopicallymicrocosmicallyneuropsychiatryorthodonticallyorthopsychiatryosteopathicallyphotochemicallyphotometricallyphototelegraphyphototopographyphototypographyradiometricallysaprophyticallysyllogisticallyunknowledgeableaminopeptidasesanacoluthicallyanisotropicallyastrophysicallychemotacticallycompositionallycoulometricallydyslogisticallyeconometricallyeudiometricallygnotobioticallyheliometricallyhistochemicallylignosulfonatesmacroaggregatedmacroaggregatesmethoxyfluranesmicrobarographsmicrophysicallynecromanticallyneuropathicallynonconsolidatednoncontrollableorthophosphatesoveropinionatedoxidoreductasesphonogramicallyphotodegradablephotoduplicatedphotoduplicatesphototacticallyphototropicallyphytochemicallyplutocraticallyradioautographsradioautographyradiochemicallysocioculturally

About this list

Words
67 (9 common words)
Common example
discombobulated
Rare example
socioculturally
Doubled letters
42
Ending in S
11
Most frequent letter
I (55)

Questions

How many 15-letter words matching ____o______a___ are there?

67. 9 of them are common words.

What is a common example?

DISCOMBOBULATED is among the common words in this set.