12-Letter Words Matching _I___O______

There are 69 12-letter words that match _I___O______. 17 are common words, such as BIBLIOGRAPHY and BIBLIOPHILES. A rarer one is ZILLIONAIRES. In this set, S is the most frequent open letter (52 words). 21 words contain a doubled letter.

Full list 69

Common words

bibliographybibliophilesbillionairesdictionariesfictionalizemillionairesmillionnaireminicomputermispronouncemisquotationmissionariesrigorousness
bibliographybibliophilesbillionairesdictionariesfictionalizemillionairesmillionnaireminicomputermispronouncemisquotationmissionariesrigorousnesstimorousnesstiresomenessvirtuositiesvirtuousnesswithholdingsbibliomaniasbibliophilicbibliothecasbiogeographycinchonidinediaphoreticsdichromatismdilatorinessfirebombingskilocoulombssinusoidallyviceroyshipsvigorousnessvitreousnessailurophilesailurophobesailurophobiabibliolatersbibliologiesbibliomaniacbibliopegiesbibliopegistbibliopolistbibliothecaebibliothecalbibulousnessbillboardingbioacousticsdiageotropicdiagnoseablediagnosticaldichlorvosesdichroscopesdictyostelesdilatometersdilatometricdiseconomiesfictionalisefictionalityfictionizingfissionableskinetochoreskinetoplastskinetoscopesmisknowledgemisprogramedmissiologiesmissionizersmissionizingtinctoriallywildfowlingszillionaires

About this list

Words
69 (17 common words)
Common example
bibliography
Rare example
zillionaires
Doubled letters
21
Ending in S
40
Most frequent letter
S (52)

Questions

How many 12-letter words matching _i___o______ are there?

69. 17 of them are common words.

What is a common example?

BIBLIOGRAPHY is among the common words in this set.