12-Letter Words Matching __R______O__

There are 78 12-letter words that match __R______O__. 32 are common words, such as BURGLARPROOF and CARBONACEOUS. A rarer one is VIRULIFEROUS. In this set, S is the most frequent open letter (67 words). 13 words contain a doubled letter.

Full list 78

Common words

burglarproofcarbonaceouscarbonationscarburettorscerebrationscirculationscorporationscorrelationscorrugationscoruscationsderelictionsforestations
burglarproofcarbonaceouscarbonationscarburettorscerebrationscirculationscorporationscorrelationscorrugationscoruscationsderelictionsforestationsformulationsfornicationsgerminationsirradiationsmarshmallowsmeretriciousnorthernmostparsimoniousparturitionspercolationsperforationspermutationsperpetratorspersecutionspertinaciousrarefactionsstrangleholdterminationsvariegationsworkstationsburseraceouscarpophagouschromatologycircumfluouscorollaceousderegulatoryformicationsfurfuraceousgeraniaceoushereinbeforekeratogenouslaryngoscopemurmurationsparacetamolsparasitologypercutaneousperspiratorypurificatorypyroligneoussarrusophoneserpentiformstridulatoryverbenaceousadrenochromecarburetionschrismationscorepressorseurythermousfurazolidonelaryngectomylaryngoscopymarginationsmarshmallowymercurationsparathormoneperennationsperformatoryperitrichousperpetuatorspersonationsporcelaneouspurificatorsreradiationsservanthoodsthrottleholdviruliferous

About this list

Words
78 (32 common words)
Common example
burglarproof
Rare example
viruliferous
Doubled letters
13
Ending in S
57
Most frequent letter
S (67)

Questions

How many 12-letter words matching __r______o__ are there?

78. 32 of them are common words.

What is a common example?

BURGLARPROOF is among the common words in this set.