7-Letter Words Matching ____IO_

There are 99 7-letter words that match ____IO_. 57 are common words, such as ADAGIOS and AUCTION. A rarer one is VIBRION. In this set, N is the most frequent open letter (82 words). 20 words contain a doubled letter.

Full list 99

Common words

adagiosauctionbarriosbastionbillionbullioncaptioncardioscarrioncautioncessionchariot
adagiosauctionbarriosbastionbillionbullioncaptioncardioscarrioncautioncessionchariotcheviotclarioncushiondictioneditionelationelisionemotionerosionevasionfactionfashionfictionfissiongrunionhellionmansionmentionmillionmissionmullionnunciosopinionorationovationpassionpatriotpensionpillionportionreunionsectionsessionstationstudiossuasionsuctiontensiontorsiontuitionunctionversionvitriolwarriorzillionalerionantlionbagnioscampionchorioncoitionelusionelutionerasionestriolfermionflexionfluxiongalliotjillionlampionlectionpactionphysiosplosionructiontactionterniontompionvibriosalationamotionculliondaimiosdithiolenationmorrionmunnionpereionpreriotpulsionrampionsigniorsymbionsymbiottampionvibrion

About this list

Words
99 (57 common words)
Common example
adagios
Rare example
vibrion
Doubled letters
20
Ending in S
9
Most frequent letter
N (82)

Questions

How many 7-letter words matching ____io_ are there?

99. 57 of them are common words.

What is a common example?

ADAGIOS is among the common words in this set.