12-Letter Words Matching I_________O_

There are 65 12-letter words that match I_________O_. 39 are common words, such as IDEALIZATION and ILLUMINATION. A rarer one is INTERSTATION. In this set, T is the most frequent open letter (65 words). 19 words contain a doubled letter.

Full list 65

Common words

idealizationilluminationillustrationimmunizationimperfectionimpersonatorimplantationimpregnationinactivationinaugurationincinerationincrustation
idealizationilluminationillustrationimmunizationimperfectionimpersonatorimplantationimpregnationinactivationinaugurationincinerationincrustationindiscretioninfiltrationinflammationingratiationinseminationinstallationinstillationinsurrectioninterceptionintercessioninterdictioninterjectioninterlocutorintermissioninterrogatorinterruptionintersectionintersessioninterventionintimidationintoxicationintroductionintroversioninvalidationinvestigatorinvigorationirresolutionimmoderationimperceptionimprovisatorincarceratorincompletionincorporatorincorruptioninescutcheoninstaurationinsufflationintellectioninternunciosinteroceptorinterpolatorintrojectionintromissioninvaginationinvigilationinfibulationinhabitationinosculationinsanitationinspissationintenerationinternucleoninterstation

About this list

Words
65 (39 common words)
Common example
idealization
Rare example
interstation
Doubled letters
19
Ending in S
1
Most frequent letter
T (65)

Questions

How many 12-letter words matching i_________o_ are there?

65. 39 of them are common words.

What is a common example?

IDEALIZATION is among the common words in this set.