12-Letter Words Matching ____R___O___

There are 61 12-letter words that match ____R___O___. 14 are common words, such as ABERRATIONAL and ARTHROSCOPES. A rarer one is WATERPROOFER. In this set, E is the most frequent open letter (48 words). 11 words contain a doubled letter.

Full list 61

Common words

aberrationalarthroscopesarthroscopicfluoroscopesfluoroscopicgenerationalquadraphonicsuperimposedsuperimposestuberculosestuberculosisunderexposed
aberrationalarthroscopesarthroscopicfluoroscopesfluoroscopicgenerationalquadraphonicsuperimposedsuperimposestuberculosestuberculosisunderexposedunderexposeswaterproofedantirationalapparitionalarthrosporesaspirationalcamerapeoplecherrystonesdiscretionalheterotrophyhyperboloidshyperostosislaparoscopeslaparoscopicmaturationalpolariscopesailurophobesailurophobiaanaerobiosesanaerobiosisanthracnosescocarcinogendichroscopesenterostomalfluoroscopedgastroscopesgastroscopicheteroploidsheteroploidyheterotrophshyperostoseshyperostoticinterboroughinterinvolveintermitoticinterschoolsnephrostomesnoncrossoveroverrespondsperorationalpolariscopicquadriphonicsuperheroinesuperschoolssynarthrosessynarthrosisunderreportswaterfloodedwaterproofer

About this list

Words
61 (14 common words)
Common example
aberrational
Rare example
waterproofer
Doubled letters
11
Ending in S
28
Most frequent letter
E (48)

Questions

How many 12-letter words matching ____r___o___ are there?

61. 14 of them are common words.

What is a common example?

ABERRATIONAL is among the common words in this set.