12-Letter Words Matching ___IO_______

There are 96 12-letter words that match ___IO_______. 34 are common words, such as ANTIOXIDANTS and AUDIOLOGICAL. A rarer one is TIBIOFIBULAS. In this set, A is the most frequent open letter (78 words). 7 words contain a doubled letter.

Full list 96

Common words

antioxidantsaudiologicalaudiologistsaudiovisualshagiographerheliocentriclegionnairesmediocritiesmeliorationsmotionlesslynationalismsnationalists
antioxidantsaudiologicalaudiologistsaudiovisualshagiographerheliocentriclegionnairesmediocritiesmeliorationsmotionlesslynationalismsnationalistsnationalizednationalizesperiodicallyperiodonticsperiodontistradiocarbonsradiographerradioisotoperadiologistsradiometriesradioscopiesradiotherapyratiocinatedratiocinatesrationalismsrationalistsrationalizedrationalizesregionalismssemiofficialsociologicalsociologistsangiogenesisartiodactylshagiographichagiolatriesheliographedheliogravureheliolatriesheliotherapyheliotropismliriodendronnationalizerperionychiumradiobiologyradioelementradiographicradiolariansradiologicalradionuclideradiosurgeryradiothoriumratiocinatorrationalizerrationalnesssemiologicalsemioticallysemioticianssociobiologysociometriessociometristangiogenesesangiographicangiotensinsantiozonantsaudiometriescationicallyethionamidesgoniometrieshagiologicalheliographicheliolatrouslabiodentalsnationalisednationalisespleiotropiespoliovirusesradiochemistradioecologyradiographedradiolabeledradiolucencyradiomimeticradiotracersrationalisedrationalisesregionalistsregionalizedregionalizessemiologistssemioticistssociologesestibiofibulaetibiofibulas

About this list

Words
96 (34 common words)
Common example
antioxidants
Rare example
tibiofibulas
Doubled letters
7
Ending in S
47
Most frequent letter
A (78)

Questions

How many 12-letter words matching ___io_______ are there?

96. 34 of them are common words.

What is a common example?

ANTIOXIDANTS is among the common words in this set.