15-Letter Words Matching ___________O___

There are 105 15-letter words that match ___________O___. 11 are common words, such as ATHEROSCLEROSES and ATHEROSCLEROSIS. A rarer one is ULTRAMICROTOMES. In this set, I is the most frequent open letter (92 words). 20 words contain a doubled letter.

Full list 105

Common words

atherosclerosesatherosclerosisconfrontationaldisproportionalimprovisationalmicroelectronicnitrocellulosesnonoccupationalnonprofessionalradiotelephonessubprofessionaladenocarcinomas
atherosclerosesatherosclerosisconfrontationaldisproportionalimprovisationalmicroelectronicnitrocellulosesnonoccupationalnonprofessionalradiotelephonessubprofessionaladenocarcinomasagranulocytosesagranulocytosisatheroscleroticcommunicationalconfigurationalcorticosteroidscorticosteronescounterproposalelectronarcosishallucinationalhydrocortisonesinterrogationaljuxtapositionallabyrinthodontsmalpractitionermultifunctionalnoncommissionednonconventionalomnidirectionalophthalmoscopesphlebosclerosispithecanthropuspleuropneumoniapreprofessionalpsychodiagnosisradiotelephonictranscriptionalupperclasswomanupperclasswomenaccommodationalacculturationalallotetraploidsallotetraploidyantieducationalantitraditionalariboflavinosesariboflavinosisautotetraploidsautotetraploidyboustrophedoniccarcinosarcomaschemoautotrophycounterresponsedemonstrationaldiastereoisomerdisproportioneddocumentationalenterogastronesglucocorticoidshemochromatoseshemochromatosishistopathologichyperfunctionalimmunodiagnosesimmunodiagnosisinterbehavioralinterdivisionalinterelectrodesinterelectronicintrospectionalinvestigationallignocelluloseslignocellulosicmicroelectrodesmicrometeoroidsmiscegenationalmultidivisionalneuropathologicnoninflectionalophthalmoscopicorchestrationalparticipationalpentobarbitonesphenobarbitonesphenylbutazonesphilanthropoidsphotoautotrophsphotoelectronicphytoplanktonicpronunciationalrecombinationalretinoblastomasspinthariscopessporangiophoresstrongyloidosesstrongyloidosissulfinpyrazonessymptomatologicthyrocalcitonintranspirationaltranspositionalultramarathonerultramicrotomes

About this list

Words
105 (11 common words)
Common example
atheroscleroses
Rare example
ultramicrotomes
Doubled letters
20
Ending in S
43
Most frequent letter
I (92)

Questions

How many 15-letter words matching ___________o___ are there?

105. 11 of them are common words.

What is a common example?

ATHEROSCLEROSES is among the common words in this set.