11-Letter Words Matching ____IO_____

There are 88 11-letter words that match ____IO_____. 25 are common words, such as AFICIONADOS and AMELIORATED. A rarer one is ZILLIONAIRE. In this set, E is the most frequent open letter (60 words). 28 words contain a doubled letter.

Full list 88

Common words

aficionadosamelioratedamelioratesauctioneersbibliophilebillionairecardiogramscardiographcharioteersemotionallyfashionablefashionably
aficionadosamelioratedamelioratesauctioneersbibliophilebillionairecardiogramscardiographcharioteersemotionallyfashionablefashionablyfashionistafictionallyfissionablegladiolusesmillionairenonviolenceopinionatedpassionlesspatriotismspensionablephysiognomyphysiologicunidiomaticamelioratoramphioxusesaposiopesesaposiopesisbiblioclastbibliolatrybibliomancybibliomaniabibliophagebibliophilybibliopolesbibliothecacertiorariscraniometercraniometryemotionlesserosionallyhistiocytesmentionablemethioninesplagioclaseplesiosaurspluviometersectionallystadiometertensiometertorsionallytorsionlessaficionadasaposiopeticbibliolaterbibliopegicbibliotistscaptionlesscardiogeniccardiopathycardiotoniccushionlessdictionallyfactionallyfictioneersfictionistsfictionizedfictionizesgradiometerhistiocytichomoiothermhomoiousianmillionfoldmilliosmolsmissionizedmissionizermissionizespensionlessportionlessprebiologicpropionatesreunioniststensiometrytensionlessurediosporevitriollingzillionaire

About this list

Words
88 (25 common words)
Common example
aficionados
Rare example
zillionaire
Doubled letters
28
Ending in S
32
Most frequent letter
E (60)

Questions

How many 11-letter words matching ____io_____ are there?

88. 25 of them are common words.

What is a common example?

AFICIONADOS is among the common words in this set.