15-Letter Words Matching _A__O__________

There are 50 15-letter words that match _A__O__________. 8 are common words, such as NATIONALIZATION and PALEONTOLOGISTS. A rarer one is SAPROGENICITIES. In this set, I is the most frequent open letter (42 words). 9 words contain a doubled letter.

Full list 50

Common words

nationalizationpaleontologistsradioactivitiesradiotelegraphsradiotelegraphyradiotelephonesradiotherapistsrationalizationcarpometacarpuslactovegetarianmacrocosmicallymacroscopically
nationalizationpaleontologistsradioactivitiesradiotelegraphsradiotelegraphyradiotelephonesradiotherapistsrationalizationcarpometacarpuslactovegetarianmacrocosmicallymacroscopicallymalnourishmentsmastoidectomiespaleontologicalpaleopsychologyradiometricallyradiomicrometerradiophotographradiotelephonicsaprophyticallytarsometatarsusmacroaggregatedmacroaggregatesmacroevolutionsmacrophotographmacrostructuralmacrostructurespaleobiologicalpaleobiologistspaleoecologicalpaleoecologistspaleogeographicpaleomagnetismspaleomagnetistspaleozoologicalpaleozoologistspathogenicitiespathophysiologyradioautographsradioautographyradiobiologicalradiobiologistsradiochemicallyradioprotectionradioprotectiveradiostrontiumsradiotelemetricsacrosanctitiessaprogenicities

About this list

Words
50 (8 common words)
Common example
nationalization
Rare example
saprogenicities
Doubled letters
9
Ending in S
23
Most frequent letter
I (42)

Questions

How many 15-letter words matching _a__o__________ are there?

50. 8 of them are common words.

What is a common example?

NATIONALIZATION is among the common words in this set.