9-Letter Words Matching R_____O__

There are 72 9-letter words that match R_____O__. 34 are common words, such as RADIATORS and RADIOLOGY. A rarer one is RUBBABOOS. In this set, S is the most frequent open letter (53 words). 18 words contain a doubled letter.

Full list 72

Common words

radiatorsradiologyraindropsrainproofrainstormrancorousrapaciousrapturousreactionsreceptorsrecomposeredactors
radiatorsradiologyraindropsrainproofrainstormrancorousrapaciousrapturousreactionsreceptorsrecomposeredactorsredeploysreemploysrefectoryrelationsreligionsreligiousrepertoryreservoirresistorsrestroomsrevisionsridgepolerighteousrightmostrigmaroleriverboatroadblockroadshowsrosewoodsrotationsroundwormrustproofraffinoseraincloudredingoterefactorsreligioseremotionsrhinologyrhizopodsrhizotomyrocambolerogationsrootstockrosaceousrutaceousrainspoutreaphooksreapproverebeldomsrebuttonsrecisionsrecontourredisposereductorsreexplorerejectorsremittorsrepliconsreschoolsreseasonsresummonsretailorsrhytidomerigadoonsrigaudonsrivalrousroserootsroundwoodrubbaboos

About this list

Words
72 (34 common words)
Common example
radiators
Rare example
rubbaboos
Doubled letters
18
Ending in S
43
Most frequent letter
S (53)

Questions

How many 9-letter words matching r_____o__ are there?

72. 34 of them are common words.

What is a common example?

RADIATORS is among the common words in this set.