13-Letter Words Matching ___R_______O_

There are 54 13-letter words that match ___R_______O_. 24 are common words, such as ACCREDITATION and APPROPRIATION. A rarer one is ULTRAORTHODOX. In this set, T is the most frequent open letter (53 words). 12 words contain a doubled letter.

Full list 54

Common words

accreditationappropriationapproximationclarificationcorroborationexpropriationextrapolationglorificationhybridizationhydrogenationimprovisationincrimination
accreditationappropriationapproximationclarificationcorroborationexpropriationextrapolationglorificationhybridizationhydrogenationimprovisationincriminationintrospectionmatriculationnitrificationpluralizationrecriminationrefrigerationreorientationretrogressionretrospectionscarificationsterilizationvitrificationcaprificationdepressomotorextravasationhorrificationhorripilationhydrolyzationintravasationintrogressionoverexpansionovervaluationpatronizationpetrificationterrorizationdecrepitationdegranulationhydroxylationmicroplanktonnonregulationoverassertionoverattentionovereducationoverextensionoverinflationovernutritionoversecretionprerevolutionretranslationretroflectionultramarathonultraorthodox

About this list

Words
54 (24 common words)
Common example
accreditation
Rare example
ultraorthodox
Doubled letters
12
Ending in S
0
Most frequent letter
T (53)

Questions

How many 13-letter words matching ___r_______o_ are there?

54. 24 of them are common words.

What is a common example?

ACCREDITATION is among the common words in this set.