12-Letter Words Matching __R____O____

There are 67 12-letter words that match __R____O____. 31 are common words, such as CARDIOLOGIES and CARDIOLOGIST. A rarer one is UNREINFORCED. In this set, S is the most frequent open letter (53 words). 9 words contain a doubled letter.

Full list 67

Common words

cardiologiescardiologistchronologieschronologistcircuitouslycorrespondedderogatorilyfireproofingfortuitouslyharmoniouslyhorrendouslyhorseshoeing
cardiologiescardiologistchronologieschronologistcircuitouslycorrespondedderogatorilyfireproofingfortuitouslyharmoniouslyhorrendouslyhorseshoeingmarvellouslymiraculouslymorphologiesmortarboardsparatroopersparishionerspartitioningperemptorilyperestroikasperfidiouslyperniciouslyphrenologiesphrenologistportentouslyporterhousesscrupulosityscrupulouslyspringboardsuproariouslyaeroembolismbarrelhouseschromatogramchromatologychrysarobinscircumrotatemerrythoughtmordaciouslymorphologistparachronismparalipomenaparasitologyperfusionistperjuriouslypyrrhuloxiasstrawflowersteratologiesteratologistagranulocytecardiotonicscarrottoppedchronologerskeratotomiesparaboloidalparkinsonianparkinsonismpartitionerspartitionistphrasemongerporphyropsinspringhousesstridulouslystringcoursestromatolitethroughotherunreinforced

About this list

Words
67 (31 common words)
Common example
cardiologies
Rare example
unreinforced
Doubled letters
9
Ending in S
20
Most frequent letter
S (53)

Questions

How many 12-letter words matching __r____o____ are there?

67. 31 of them are common words.

What is a common example?

CARDIOLOGIES is among the common words in this set.