15-Letter Words Matching ____O___I______

There are 57 15-letter words that match ____O___I______. 17 are common words, such as AIRWORTHINESSES and COSMOPOLITANISM. A rarer one is VISIONARINESSES. In this set, T is the most frequent open letter (53 words). 9 words contain a doubled letter.

Full list 57

Common words

airworthinessescosmopolitanismimprobabilitiesinviolabilitiesnationalizationneocolonialismsneocolonialistsnoncontributingnoncontributorypersonificationphotofinishingsprepositionally
airworthinessescosmopolitanismimprobabilitiesinviolabilitiesnationalizationneocolonialismsneocolonialistsnoncontributingnoncontributorypersonificationphotofinishingsprepositionallyprovocativenessradioactivitiesrationalizationseaworthinessestemporarinessesastronavigationcommodificationcosmopolitanizeethnomusicologyinexorabilitiesmetropolitanatemetropolitanismpersonalizationprenotificationreproducibilitycompositionallycustomarinessesdiagonalizationdichotomizationdisposabilitiesemployabilitiesimprovabilitiesmicroradiographmisvocalizationneurotoxicitiesnoncoincidencesnontotalitarianoligomerizationoveropinionatedpathogenicitiesphotoexcitationphotoionizationphotoperiodismsphototoxicitiesphytotoxicitiespremodificationpromotabilitiesreasonabilitiesregionalizationretroactivitiesretroperitonealsaprogenicitiessubvocalizationunknowabilitiesvisionarinesses

About this list

Words
57 (17 common words)
Common example
airworthinesses
Rare example
visionarinesses
Doubled letters
9
Ending in S
27
Most frequent letter
T (53)

Questions

How many 15-letter words matching ____o___i______ are there?

57. 17 of them are common words.

What is a common example?

AIRWORTHINESSES is among the common words in this set.