15-Letter Words Matching ________I___L__

There are 22 15-letter words that match ________I___L__. 7 are common words, such as BIDIRECTIONALLY and INSTITUTIONALLY. A rarer one is UNTRADITIONALLY. 22 words contain a doubled letter.

Full list 22

bidirectionallyinstitutionallyinternationallyprepositionallyunconditionallyunexceptionallyunintentionallycomputationallycoeducationallycongressionallyconjugationallyconjunctionallydysfunctionallygravitationallyinspirationallyobservationallycompositionallyextrajudiciallyinformationallyirreconcilablesorientationallyuntraditionally

About this list

Words
22 (7 common words)
Common example
bidirectionally
Rare example
untraditionally
Doubled letters
22
Ending in S
1

Questions

How many 15-letter words matching ________i___l__ are there?

22. 7 of them are common words.

What is a common example?

BIDIRECTIONALLY is among the common words in this set.