14-Letter Words Matching __________ON__

There are 65 14-letter words that match __________ON__. 18 are common words, such as AFOREMENTIONED and CONGREGATIONAL. A rarer one is UNIDIMENSIONAL. In this set, I is the most frequent open letter (62 words). 11 words contain a doubled letter.

Full list 65

Common words

aforementionedcongregationalconstitutionalconstructionalconversationaldecommissioneddenominationaljurisdictionalnoneducationalnonoperationalnontraditionalorganizational
aforementionedcongregationalconstitutionalconstructionalconversationaldecommissioneddenominationaljurisdictionalnoneducationalnonoperationalnontraditionalorganizationalpreconditionedrecommissionedsteppingstonesunconventionalundermentionedunprofessionalunidirectionalconformationalconservationaldexamethasonesdispensationaldisquisitionaldissertationaldistributionalillustrationalintercessionalinterjectionalintersectionaloptoelectronicphylloquinonespresentationalprogestationaltridimensionalanthraquinonesbutyrophenonescivilizationalcompensationalcondensationalconfirmationalconsociationalconspirationalconversazionescyclohexanonesextraembryonichyperemotionalinsurrectionalinternucleonicmalapportionednonconditionednondimensionalnondirectionalnonsensationalnorethindronesperturbationalplastoquinonespostganglionicpostpositionalpreoperationalresurrectionalsubstitutionaltransductionaltriamcinolonesunidimensional

About this list

Words
65 (18 common words)
Common example
aforementioned
Rare example
unidimensional
Doubled letters
11
Ending in S
10
Most frequent letter
I (62)

Questions

How many 14-letter words matching __________on__ are there?

65. 18 of them are common words.

What is a common example?

AFOREMENTIONED is among the common words in this set.