12-Letter Words Matching I________O__

There are 79 12-letter words that match I________O__. 47 are common words, such as IDOLIZATIONS and ILLUSTRATORS. A rarer one is ITINERATIONS. In this set, N is the most frequent open letter (78 words). 15 words contain a doubled letter.

Full list 79

Common words

idolizationsillustratorsimaginationsimbricationsimmigrationsimplicationsimportationsimprecationsimprecisionsinattentionsinauspiciousincantations
idolizationsillustratorsimaginationsimbricationsimmigrationsimplicationsimportationsimprecationsimprecisionsinattentionsinauspiciousincantationsincarnationsincineratorsinclinationsincommodiousinculcationsindentationsindigestionsindignationsindirectionsinebriationsinfatuationsinfelicitousinfestationsinfiltratorsinflammatoryinformationsinharmoniousinnervationsinoculationsinquisitionsinsalubriousinscriptionsinsinuationsinspirationsinstigationsinstitutionsinstructionsintegrationsinteractionsinterceptorsintercessorsintercessoryintroductoryirradiationsitemizationsicosahedronsinculpationsingratiatoryinterdictoryinterjectoryintimidatoryinvigilatorsisopropanolsilluminatorsilluviationsimpartationsimpetiginousimpetrationsimplementorsimpregnatorsinauguratorsincurvationsinfuriationsinseminatorsinspissatorsinsufflatorsinterdictorsinterfusionsinterjectorsinterneuronsinterruptorsinterschoolsintersensoryintimidatorsinvalidatorsinvigoratorsitinerations

About this list

Words
79 (47 common words)
Common example
idolizations
Rare example
itinerations
Doubled letters
15
Ending in S
71
Most frequent letter
N (78)

Questions

How many 12-letter words matching i________o__ are there?

79. 47 of them are common words.

What is a common example?

IDOLIZATIONS is among the common words in this set.