12-Letter Words Matching R________O__

There are 65 12-letter words that match R________O__. 35 are common words, such as RADIOCARBONS and RADIOISOTOPE. A rarer one is RUBRICATIONS. In this set, S is the most frequent open letter (60 words). 7 words contain a doubled letter.

Full list 65

Common words

radiocarbonsradioisotoperambunctiousrapscallionsrarefactionsreadmissionsrealizationsreanimationsreapportionsreassertionsrecantationsreclamations
radiocarbonsradioisotoperambunctiousrapscallionsrarefactionsreadmissionsrealizationsreanimationsreapportionsreassertionsrecantationsreclamationsrecognitionsreconditionsreeducationsreformationsreinfectionsreinsertionsreinventionsreiterationsremediationsreplicationsrepudiationsrequisitionsreservationsresignationsrespirationsrestitutionsrestorationsrestrictionsretaliationsretardationsretributionsrevaluationsrusticationsradiobiologyreificationsremuneratorsrenunciatoryreprobationsresiniferousrhizocarpousradioecologyreaccessionsrecordationsredecoratorsredigestionsredirectionsregeneratorsrehydrationsreinflationsreinjectionsrejuvenatorsreluctationsremigrationsremuneratoryreoperationsreoxidationsrepartitionsrepossessorsreprovisionsreradiationsretroactionsrheumatologyrubrications

About this list

Words
65 (35 common words)
Common example
radiocarbons
Rare example
rubrications
Doubled letters
7
Ending in S
59
Most frequent letter
S (60)

Questions

How many 12-letter words matching r________o__ are there?

65. 35 of them are common words.

What is a common example?

RADIOCARBONS is among the common words in this set.