13-Letter Words Matching I__________O_

There are 30 13-letter words that match I__________O_. 15 are common words, such as IMPERSONATION and IMPROVISATION. A rarer one is ISOPROTERENOL. 4 words contain a doubled letter.

Full list 30

Common words

impersonationimprovisationincarcerationincorporationincriminationindispositionindividuationinterpolationinterpositioninterrelationinterrogationinterspersion
impersonationimprovisationincarcerationincorporationincriminationindispositionindividuationinterpolationinterpositioninterrelationinterrogationinterspersionintrospectioninvestigationitalicizationincardinationindoctrinatorinstantiationintercalationinterlocutioninterlunationintravasationintrogressioningurgitationinterbehaviorinterdominioninterelectroninterpellatorisomerizationisoproterenol

About this list

Words
30 (15 common words)
Common example
impersonation
Rare example
isoproterenol
Doubled letters
4
Ending in S
0

Questions

How many 13-letter words matching i__________o_ are there?

30. 15 of them are common words.

What is a common example?

IMPERSONATION is among the common words in this set.