15-Letter Words Matching ________A_____L

There are 31 15-letter words that match ________A_____L. 5 are common words, such as BIBLIOGRAPHICAL and CONFRONTATIONAL. A rarer one is TRANSPIRATIONAL. 7 words contain a doubled letter.

Full list 31

Common words

bibliographicalconfrontationalimprovisationallexicographicalnonoccupationalcommunicationalconfigurationalhallucinationalimprovisatorialinterrogationaloceanographicalphysiographical
bibliographicalconfrontationalimprovisationallexicographicalnonoccupationalcommunicationalconfigurationalhallucinationalimprovisatorialinterrogationaloceanographicalphysiographicalstratigraphicalzoogeographicalaccommodationalacculturationalamphitheatricalanticlimacticalantieducationalbiogeographicaldemonstrationaldocumentationalinterbehavioralinvestigationalmiscegenationalnonbiographicalorchestrationalparticipationalpronunciationalrecombinationaltranspirational

About this list

Words
31 (5 common words)
Common example
bibliographical
Rare example
transpirational
Doubled letters
7
Ending in S
0

Questions

How many 15-letter words matching ________a_____l are there?

31. 5 of them are common words.

What is a common example?

BIBLIOGRAPHICAL is among the common words in this set.