12-Letter Words Matching R___O_______

There are 88 12-letter words that match R___O_______. 40 are common words, such as RADIOCARBONS and RADIOGRAPHER. A rarer one is RIBBONFISHES. In this set, E is the most frequent open letter (76 words). 13 words contain a doubled letter.

Full list 88

Common words

radiocarbonsradiographerradioisotoperadiologistsradiometriesradioscopiesradiotherapyrandomnessesratiocinatedratiocinatesrationalismsrationalists
radiocarbonsradiographerradioisotoperadiologistsradiometriesradioscopiesradiotherapyrandomnessesratiocinatedratiocinatesrationalismsrationalistsrationalizedrationalizesrebroadcastsregionalismsreinoculatedreinoculatesrephotographreproachablereprocessingreproduciblereproductionreproductivereprogramingreprogrammedresponsivelyrestorationsrestorativesretrofittingretrogradingretrogressedretrogressesretrorocketsretrospectedretrovirusesrhetoricallyrhetoriciansrhinocerosesrhododendronradiobiologyradioelementradiographicradiolariansradiologicalradionuclideradiosurgeryradiothoriumratiocinatorrationalizerrationalnessreproachlessreprobationsreproduciblyretrocessionretroflexionretrogradelyretroversionrhinovirusesrhizocarpousradiochemistradioecologyradiographedradiolabeledradiolucencyradiomimeticradiotracersrambouilletsrationalisedrationalisesreasonlesslyregionalistsregionalizedregionalizesrencounteredreprographerreprographicreprovisionsresponsoriesretroactionsretrodictingretrodictionretrodictiverhinoscopiesrhizoctoniasrhizospheresrhodomontaderibbonfishes

About this list

Words
88 (40 common words)
Common example
radiocarbons
Rare example
ribbonfishes
Doubled letters
13
Ending in S
37
Most frequent letter
E (76)

Questions

How many 12-letter words matching r___o_______ are there?

88. 40 of them are common words.

What is a common example?

RADIOCARBONS is among the common words in this set.