15-Letter Words Matching ____O________L_

There are 57 15-letter words that match ____O________L_. 11 are common words, such as AUTHORITATIVELY and DISCONCERTINGLY. A rarer one is UNPROFESSIONALS. In this set, I is the most frequent open letter (52 words). 45 words contain a doubled letter.

Full list 57

Common words

authoritativelydisconcertinglydiscontinuouslyintrospectivelymicroscopicallynoncommunicablephilosophicallyprepositionallyproportionatelyretrospectivelyunpronounceableacknowledgeable
authoritativelydisconcertinglydiscontinuouslyintrospectivelymicroscopicallynoncommunicablephilosophicallyprepositionallyproportionatelyretrospectivelyunpronounceableacknowledgeableastronauticallyhistocompatiblehomeopathicallyhydrostaticallymacrocosmicallymacroscopicallymicrocosmicallymicrosporophyllorthodonticallyosteopathicallyphotochemicallyphotometricallypostoperativelyradiometricallyretrogressivelysaprophyticallysyllogisticallyuncooperativelyunknowledgeableanacoluthicallyanisotropicallyastrophysicallychemotacticallycompositionallycoulometricallydyslogisticallyeconometricallyeudiometricallygnotobioticallyheliometricallyhistochemicallymicrophysicallynecromanticallyneuropathicallynoncompressiblenoncontrollablephonogramicallyphotodegradablephototacticallyphototropicallyphytochemicallyplutocraticallyradiochemicallysocioculturallyunprofessionals

About this list

Words
57 (11 common words)
Common example
authoritatively
Rare example
unprofessionals
Doubled letters
45
Ending in S
1
Most frequent letter
I (52)

Questions

How many 15-letter words matching ____o________l_ are there?

57. 11 of them are common words.

What is a common example?

AUTHORITATIVELY is among the common words in this set.