15-Letter Words Matching ____E________N_

There are 44 15-letter words that match ____E________N_. 19 are common words, such as AUTHENTICATIONS and COMMERCIALIZING. A rarer one is WESTERNISATIONS. In this set, I is the most frequent open letter (42 words). 9 words contain a doubled letter.

Full list 44

Common words

authenticationscommercializingconceptualizingcontextualizingdaguerreotypingdifferentiatingfraternizationsimplementationsmisrepresentingnondepreciatingnonrecognitionsoveremphasizing
authenticationscommercializingconceptualizingcontextualizingdaguerreotypingdifferentiatingfraternizationsimplementationsmisrepresentingnondepreciatingnonrecognitionsoveremphasizingoverestimationspasteurizationspredestinationsrepresentationstatterdemalionsunprepossessingwesternizationsbioremediationsmyelencephalonsoxytetracyclinevespertilioninebiodegradationscommensurationscommercialisingconcelebrationsconceptualisingdiphenhydraminegeometrizationsmisdescriptionsnoncelebrationsnonsegregationsoverelaboratingoverencouragingoverengineeringoverevaluationsoverextractionsoverextravagantpredestinarianspredevaluationspreterminationssymmetrizationswesternisations

About this list

Words
44 (19 common words)
Common example
authentications
Rare example
westernisations
Doubled letters
9
Ending in S
26
Most frequent letter
I (42)

Questions

How many 15-letter words matching ____e________n_ are there?

44. 19 of them are common words.

What is a common example?

AUTHENTICATIONS is among the common words in this set.