9-Letter Words Matching R______O_

There are 51 9-letter words that match R______O_. 28 are common words, such as RADIATION and RAINPROOF. A rarer one is RUBBABOOS. In this set, E is the most frequent open letter (43 words). 11 words contain a doubled letter.

Full list 51

Common words

radiationrainproofrebellionreceptionrecessionrecursionredactionredevelopreductionrefashionrefectionreflector
radiationrainproofrebellionreceptionrecessionrecursionredactionredevelopreductionrefashionrefectionreflectorreflexionregulatorrejectionremissionrenditionrenovatorrepletionrepulsionresectionresonatorretentionreversionrevulsionroughshodruinationrustproofrattleboxrecaptionreceiptorrecensionreclusionreflationrefractorregressorrepressorresnatronretorsionretortionretractorretrusionruminatorrancherosreeditionrelictionrenegadosrequestorrevelatorroundwoodrubbaboos

About this list

Words
51 (28 common words)
Common example
radiation
Rare example
rubbaboos
Doubled letters
11
Ending in S
3
Most frequent letter
E (43)

Questions

How many 9-letter words matching r______o_ are there?

51. 28 of them are common words.

What is a common example?

RADIATION is among the common words in this set.