14-Letter Words Matching ________I___O_

There are 19 14-letter words that match ________I___O_. 7 are common words, such as DISAFFILIATION and DISASSOCIATION. A rarer one is UNAPPRECIATION. In this set, N is the most frequent open letter (18 words). 6 words contain a doubled letter.

Full list 19

disaffiliationdisassociationprocrastinatorprognosticatorreconciliationsubstantiationsuperscriptionexponentiationbioremediationergocalciferolexcommunicatorretransmissionbronchodilatorcoinvestigatordecontaminatorintermediationmisdescriptionnovemdecillionunappreciation

About this list

Words
19 (7 common words)
Common example
disaffiliation
Rare example
unappreciation
Doubled letters
6
Ending in S
0
Most frequent letter
N (18)

Questions

How many 14-letter words matching ________i___o_ are there?

19. 7 of them are common words.

What is a common example?

DISAFFILIATION is among the common words in this set.