10-Letter Words Matching ___I___O__

There are 158 10-letter words that match ___I___O__. 62 are common words, such as ACTIVATORS and ADDICTIONS. A rarer one is SUPINATORS. In this set, S is the most frequent open letter (127 words). 26 words contain a doubled letter.

Full list 158

Common words

activatorsaddictionsadmissionsalligatorsantiheroesaspiratorsaudiobooksbrainstormcogitatorsconiferouscotillionsdedicators
activatorsaddictionsadmissionsalligatorsantiheroesaspiratorsaudiobooksbrainstormcogitatorsconiferouscotillionsdedicatorsdedicatorydepictionsdepilatorydeviationsestimatorsexhibitorsexpiationsfelicitousfumigatorsheliotropeindicatorsindigenousinhibitorsinhibitoryjudicatorylibidinouslitigatorsmediationsmeticulousmotivatorsmusicologymutilatorsnationhoodnavigatorsnominatorsobligatoryobviationsomnivorouspalindromepoliticoesradiationsradiophoneradioscopyremissionsridiculoussatiationssatinwoodssemicolonssheikhdomssolicitorssolicitousspoilsportspringboksstriationstoxicologytraitorousvariationsvitiationsviviparousvociferousbazillionsgazillionsabdicatorsactiniformactinologyactinozoanaeciosporealliaceousantiheroicantimonousauriferouscaliginouscolicrootscoriaceouscylindroiddigitiformdivinatoryexpiratoryfetiparousfiliationsfoliaceousfoliationsfuliginoushagioscopeindicatoryindictionsinvitatorylaniferouslexicologyliliaceouslimicolousluciferousmitigatorymodillionsmoniliformnidicolousnidifugousossiferouspediculousperigynouspiliferouspomiferousporiferouspupiparousradioscoperecidivousrubiaceousrubiginoussaliferousschizogonysebiferoussiliculosesinistroussoniferousspringwoodstridulousteliosporetiliaceoustulipwoodsvaricotomyvesicatoryviniferousanticodonsantireformaquiferousarmigerouscamisadoesciliationscodicologydecillionsdemissionsdevilwoodsdominatorsexcitatoryexhibitoryfruitwoodshemizygousirrigatorslaminatorsmeditatorsmeningiomaminischoolmitigatorsnonillionsoctillionsorrisrootspleiotropyradiophotorelictionsruminatorssalivatorssaxicoloussemicolonysemihoboesstainproofsupinators

About this list

Words
158 (62 common words)
Common example
activators
Rare example
supinators
Doubled letters
26
Ending in S
112
Most frequent letter
S (127)

Questions

How many 10-letter words matching ___i___o__ are there?

158. 62 of them are common words.

What is a common example?

ACTIVATORS is among the common words in this set.