15-Letter Words Matching ________I___O__

There are 27 15-letter words that match ________I___O__. 8 are common words, such as DISAFFILIATIONS and DISASSOCIATIONS. A rarer one is UNFOSSILIFEROUS. 9 words contain a doubled letter.

Full list 27

Common words

disaffiliationsdisassociationsnoncontributoryprocrastinatorsprognosticatorsreconciliationssubstantiationssuperscriptionsbioremediationscaprifoliaceousergocalciferolsethnomusicology
disaffiliationsdisassociationsnoncontributoryprocrastinatorsprognosticatorsreconciliationssubstantiationssuperscriptionsbioremediationscaprifoliaceousergocalciferolsethnomusicologyexcommunicatoryexponentiationsprocrastinatoryprognosticatoryretransmissionssarraceniaceousbronchodilatorscoinvestigatorsdecontaminatorsexcommunicatorsintermediationsmisdescriptionsnovemdecillionsunappreciationsunfossiliferous

About this list

Words
27 (8 common words)
Common example
disaffiliations
Rare example
unfossiliferous
Doubled letters
9
Ending in S
22

Questions

How many 15-letter words matching ________i___o__ are there?

27. 8 of them are common words.

What is a common example?

DISAFFILIATIONS is among the common words in this set.