13-Letter Words Matching ___R________N

There are 57 13-letter words that match ___R________N. 25 are common words, such as ACCREDITATION and APPROPRIATION. A rarer one is ULTRAMARATHON. In this set, O is the most frequent open letter (57 words). 13 words contain a doubled letter.

Full list 57

Common words

accreditationappropriationapproximationclarificationcorroborationexpropriationextrapolationglorificationhybridizationhydrogenationimprovisationincrimination
accreditationappropriationapproximationclarificationcorroborationexpropriationextrapolationglorificationhybridizationhydrogenationimprovisationincriminationintrospectionmatriculationnitrificationnitroglycerinpluralizationrecriminationrefrigerationreorientationretrogressionretrospectionscarificationsterilizationvitrificationcaprificationextravasationhorrificationhorripilationhydrolyzationintravasationintrogressionnitroparaffinoverexpansionovervaluationpatronizationpetrificationterrorizationdecrepitationdegranulationhydroxylationmacroglobulinmicroplanktonnonregulationoverassertionoverattentionovereducationoverextensionoverinflationovernutritionoversecretionprerevolutionretranslationretroflectionsporopolleninthyroglobulinultramarathon

About this list

Words
57 (25 common words)
Common example
accreditation
Rare example
ultramarathon
Doubled letters
13
Ending in S
0
Most frequent letter
O (57)

Questions

How many 13-letter words matching ___r________n are there?

57. 25 of them are common words.

What is a common example?

ACCREDITATION is among the common words in this set.