15-Letter Words Matching __________O____

There are 162 15-letter words that match __________O____. 41 are common words, such as ANTIABORTIONIST and BIOTECHNOLOGIES. A rarer one is UNREVOLUTIONARY. In this set, I is the most frequent open letter (143 words). 31 words contain a doubled letter.

Full list 162

Common words

antiabortionistbiotechnologiesburglarproofingcardiopulmonaryclaustrophobiasconscientiouslyconservationismconservationistconstitutionalsconstructionistdecommissioningdiscontinuously
antiabortionistbiotechnologiesburglarproofingcardiopulmonaryclaustrophobiasconscientiouslyconservationismconservationistconstitutionalsconstructionistdecommissioningdiscontinuouslyendocrinologiesendocrinologistheterogeneouslyinconspicuouslyinstantaneouslyinsurrectionistinterrogatoriesinterventionisminterventionistmiscellaneouslynoninflationaryophthalmologiesophthalmologistperspicaciouslyphantasmagoriaspreconditioningpreservationistpusillanimouslyrecommissioningsanctimoniouslyslaughterhousessuperstitiouslysurreptitiouslytonsillectomiestroubleshooterstroubleshootingunceremoniouslyunpretentiouslyweatherproofingadenoidectomiesarchiepiscopacyarchiepiscopateassimilationistautotransformerbiotechnologistcontradictorilycountermelodiesdessertspoonfuldisharmoniouslyethnomusicologygeochronologistgeomorphologiesimprovisatorialinsurrectionaryinterrogatorilylepidopterologymastoidectomiesmetempsychosistmultitudinouslyneurophysiologynitrochloroformoligonucleotideoverambitiouslypaleopsychologypneumonectomiespresentationismpreservationismprostatectomiespsychobiologistpsychoneuroticspsychopathologyresurrectionismresurrectionistsalpingectomiesserendipitouslysesquicarbonatesuperheterodynesuperpatriotismthromboembolismunproportionatevespertilionineadrenalectomiesanticarcinogensantiforeclosureassimilationismautochthonouslychemotaxonomieschemotaxonomistchronobiologieschronobiologistcleistogamouslycolonizationistcomputerphobiasconsentaneouslycontainerboardscontradictoriescounterreformercryptozoologiescryptozoologistdisinflationaryecocatastrophesecophysiologieselectrodepositsemancipationistencephalitogensepizootiologiesgeochronologiesgeomorphologisthelminthologieshistophysiologyhypercatabolismhypermetabolismimmunopathologyinefficaciouslyinternucleotideintraperitoneallymphosarcomatamicrogametocytemicromorphologymontmorilloniteneuroblastomataneuropsychologynoncontemporarynonprofessorialoligodendrocyteoligodendrogliaoptoelectronicsovoviviparouslypathophysiologypharmacognosiespharmacognosticphenomenologiesphenomenologistphonocardiogramphysiopathologyplatitudinouslypolyelectrolyteprecipitinogenspreformationistpseudocoelomatepsychobiologiespsychohistorianpsychohistoriesretroperitonealroentgenologiesroentgenologistsedimentologiessedimentologistsigmoidoscopiessplendiferouslysubreptitiouslysubstitutionarysubterraneouslysuccinylcholinesympathectomiesthermoperiodismthyroidectomiesuncompassionateunprofessionalsunrevolutionary

About this list

Words
162 (41 common words)
Common example
antiabortionist
Rare example
unrevolutionary
Doubled letters
31
Ending in S
45
Most frequent letter
I (143)

Questions

How many 15-letter words matching __________o____ are there?

162. 41 of them are common words.

What is a common example?

ANTIABORTIONIST is among the common words in this set.