12-Letter Words Matching I_________T_

There are 59 12-letter words that match I_________T_. 31 are common words, such as ILLEGIBILITY and ILLEGITIMATE. A rarer one is IRIDOLOGISTS. In this set, N is the most frequent open letter (46 words). 19 words contain a doubled letter.

Full list 59

Common words

illegibilityillegitimateilliberalityillogicalityillusionistsimmovabilityimmutabilityimpartialityimpeachmentsimperialistsimperilmentsimpingements
illegibilityillegitimateilliberalityillogicalityillusionistsimmovabilityimmutabilityimpartialityimpeachmentsimperialistsimperilmentsimpingementsimprovementsinarticulateinaudibilityincapabilityincapacitateincompetentsindependentsindoctrinateineffabilityinsolubilityinspectorateinstallmentsintermediateinvertebrateinvisibilityinvolvementsirascibilityirregularityirritabilityimpoundmentsimpressmentsinconformityincoordinateincorporeityincurabilityindeliberateindelibilityinelasticityinstillmentsinsurabilityinterlineateinteroperateinterpellateirredentistsignitabilityimmanentistsimputabilityinconcinnityindorsementsinducibilityinefficientsinfusibilityinoperculateinteractantsinterfacultyintersocietyiridologists

About this list

Words
59 (31 common words)
Common example
illegibility
Rare example
iridologists
Doubled letters
19
Ending in S
19
Most frequent letter
N (46)

Questions

How many 12-letter words matching i_________t_ are there?

59. 31 of them are common words.

What is a common example?

ILLEGIBILITY is among the common words in this set.