13-Letter Words Matching __R____O_____

There are 39 13-letter words that match __R____O_____. 7 are common words, such as CARDIOLOGISTS and CHRONOLOGICAL. A rarer one is VARIATIONALLY. In this set, I is the most frequent open letter (28 words). 8 words contain a doubled letter.

Full list 39

Common words

cardiologistschronologicalchronologistscorrespondentcorrespondingmorphologicalphrenologistsaeroembolismscardiologicalchromatogramschromatographchromatolysis
cardiologistschronologicalchronologistscorrespondentcorrespondingmorphologicalphrenologistsaeroembolismscardiologicalchromatogramschromatographchromatolysischromatophoredirectionallydirectionlessparthenocarpyphrenologicalstromatolitesteratologicalagranulocyteschromatolyseschromatolyticchromosomallycorresponsivemerrythoughtsmorphologistsparamyxovirusparasitologicparkinsonismspartitionistsperfusionistsphrasemongersporphyropsinspyrheliometerstratovolcanostringcoursesstromatoliticteratologistsvariationally

About this list

Words
39 (7 common words)
Common example
cardiologists
Rare example
variationally
Doubled letters
8
Ending in S
20
Most frequent letter
I (28)

Questions

How many 13-letter words matching __r____o_____ are there?

39. 7 of them are common words.

What is a common example?

CARDIOLOGISTS is among the common words in this set.